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# ![@scannerdanner Avatar](https://lunarcrush.com/gi/w:26/cr:youtube::UCrf6f8hn5oy4alB2WXJCIqA.png) @scannerdanner ScannerDanner

ScannerDanner posts on YouTube about diy, auto, systems, check the most. They currently have [-------] followers and [---] posts still getting attention that total [------] engagements in the last [--] hours.

### Engagements: [------] [#](/creator/youtube::UCrf6f8hn5oy4alB2WXJCIqA/interactions)
![Engagements Line Chart](https://lunarcrush.com/gi/w:600/cr:youtube::UCrf6f8hn5oy4alB2WXJCIqA/c:line/m:interactions.svg)

- [--] Week [------] +40%
- [--] Month [-------] -56%
- [--] Months [---------] +76%
- [--] Year [---------] +72%

### Mentions: [--] [#](/creator/youtube::UCrf6f8hn5oy4alB2WXJCIqA/posts_active)
![Mentions Line Chart](https://lunarcrush.com/gi/w:600/cr:youtube::UCrf6f8hn5oy4alB2WXJCIqA/c:line/m:posts_active.svg)


### Followers: [-------] [#](/creator/youtube::UCrf6f8hn5oy4alB2WXJCIqA/followers)
![Followers Line Chart](https://lunarcrush.com/gi/w:600/cr:youtube::UCrf6f8hn5oy4alB2WXJCIqA/c:line/m:followers.svg)

- [--] Week [-------] +0.21%
- [--] Month [-------] +0.63%
- [--] Months [-------] +3%
- [--] Year [-------] +7.20%

### CreatorRank: [-------] [#](/creator/youtube::UCrf6f8hn5oy4alB2WXJCIqA/influencer_rank)
![CreatorRank Line Chart](https://lunarcrush.com/gi/w:600/cr:youtube::UCrf6f8hn5oy4alB2WXJCIqA/c:line/m:influencer_rank.svg)

### Social Influence

**Social category influence**
[automotive brands](/list/automotive-brands)  [stocks](/list/stocks)  [finance](/list/finance)  [technology brands](/list/technology-brands)  [social networks](/list/social-networks)  [formula 1](/list/formula-1) 

**Social topic influence**
[diy](/topic/diy) #4034, [auto](/topic/auto), [systems](/topic/systems) #315, [check](/topic/check), [light](/topic/light) #610, [l1](/topic/l1) #35, [tech](/topic/tech) #2369, [electrical](/topic/electrical), [engine](/topic/engine), [ford](/topic/ford) #2776

**Top accounts mentioned or mentioned by**
[@jamsionline](/creator/undefined) [@holleyperformance](/creator/undefined) [@rosedaletech](/creator/undefined) [@rosedaletechnicalcollege8131](/creator/undefined) [@picoscopeautomotive](/creator/undefined) [@picotech](/creator/undefined) [@thejadedmechanic](/creator/undefined) [@changingtheindustry](/creator/undefined) [@diagnosingtheaftermarketatoz](/creator/undefined) [@automotivediagnosticpodcas8832](/creator/undefined) [@carmcapriotto](/creator/undefined) [@topdonusa](/creator/undefined) [@snapondiagnostics](/creator/undefined) [@jamsionlineplaylist](/creator/undefined) [@scannerdannercom](/creator/undefined) [@humblemechanic](/creator/undefined) [@frugalprepper](/creator/undefined) [@sixstarauto](/creator/undefined)

**Top assets mentioned**
[Toyota Motor Corporation (TM)](/topic/$tm)
### Top Social Posts
Top posts by engagements in the last [--] hours

"Sensor grounds and the 5v reference circuit (a [----] ScannerDanner Premium video) Sensor grounds and the 5v reference circuit (a [----] ScannerDanner Premium video) Some standard no start procedures that can be followed for any car. It is amazing that the principles we follow on this [----] Ford Taurus are the same ones we can follow on a [----] model from any manufacturer. This is a ScannerDanner Premium video from [----] and is being uploaded here to YouTube to help out a subscriber. ScannerDanner Premium is now available from my website here"  
[YouTube Link](https://youtube.com/watch?v=1Nvyc_88AbY)  2018-10-29T23:06Z 477K followers, 416.2K engagements


"A/C Leak Testing Using Compressed Air Soap and Water (any car) For those of you worried about using compressed air because of moisture. My question to you is what do you think is in a system that has a leak and all of the refrigerant is gone Atmospheric air and moisture This is a tried and proven test for me over the last [--] years and it is one that everyone can do. Who has a bottle of compressed nitrogen sitting around anyway especially when you only do a few A/C jobs a year. Tools used - A/C Manifold Gauge Set"  
[YouTube Link](https://youtube.com/watch?v=J6DSpx1V3Ms)  2017-08-01T12:44Z 477K followers, 628.3K engagements


"This is Game Changer For Parasitic Drains A dead battery is the symptom not the diagnosis. In this video I walk through a real parasitic draw on my Silverado and explain why each test works what can mislead you and how to avoid false conclusions that cost time and batteries. This isnt about throwing parts or guessing its about understanding the process so you can apply it to the next vehicle. 🔧 Want to Go Deeper Than YouTube Structured diagnostics training: classroom lessons + real case studies. 👉 https://www.scannerdanner.com/join-scannerdanner-premium.html CHAPTERS 0:00 Battery dead"  
[YouTube Link](https://youtube.com/watch?v=1XO5eP_hLdY)  2026-01-03T15:43Z 477K followers, 139.2K engagements


"2010 Mazda [--] No Communication With PCM No Start No Crank No communication with the engine computer (PCM) multiple CAN bus trouble codes engine does not crank security light flashing. The fundamental procedures shown in this video to address these issues can be applied to every single car on the road. ScannerDanner tools pages -https://www.scannerdanner.com/tools.html -https://www.amazon.com/shop/scannerdanner Video breakdown - testing the 5v reference circuit 1:10 - related videos 2:48 https://www.youtube.com/watchv=za13UnpbH7E https://www.youtube.com/watchv=z5DpsRwHTfo"  
[YouTube Link](https://youtube.com/watch?v=UC3tvlHvm8k)  2018-05-02T14:04Z 477K followers, 346K engagements


"Ford EGR Flow Testing (P0401 P0402 P0405) The testing procedures shown in this video can be applied to any Ford Lincoln or Mercury that uses a vacuum controlled EGR valve combined with a Delta Pressure Feedback EGR sensor (DPFE). The vehicle being tested is a [----] Ford Expedition with a 5.4L engine. Engine Performance Diagnostics chapter [--] Symptoms : (typical) - Check engine light (P0401 Insufficient EGR flow or P0402 excessive EGR flow) - possible detonation or pre-ignition "pinging" complaints Fix: (common problems) - faulty DPFE sensor - restricted intake passage for the EGR valve (the"  
[YouTube Link](https://youtube.com/watch?v=pH_kjRwD-Xw)  2011-04-22T06:49Z 477K followers, 687.6K engagements


"Using the O2 Sensor at WOT to Identify a Fuel Psi Problem This was pulled from a class I did with my students on a live problem car in the classroom @RosedaleTech"  
[YouTube Link](https://youtube.com/watch?v=AULsnPDS4E8)  2024-03-05T13:32Z 475K followers, 10.8K engagements


"GM Fuel Pump Relay Testing The vehicle being tested is a [----] Chevy Suburban with no fuel pressure. This truck had a new fuel pump installed and still did not have fuel pressure. In this video I will show you how to troubleshoot this entire fuel pump electrical system including the fuel pump relay wiring and computer. Engine Performance Diagnostics chapter [--] page [--] Symptoms - no start with good spark - no fuel pressure - no trouble codes Fix - repair wiring to the fuel (new pump was wired backwards Tests shown - how to test a fuel pump relay in a power distribution box. - power side switched"  
[YouTube Link](https://youtube.com/watch?v=McnXLcJNVfI)  2012-03-14T10:40Z 475K followers, 1.8M engagements


"Scope and Scan Tool Basics #automotivetechnician #automotivediagnostics #ScannerDannerPremium Join my online classes at www.scannerdanner.com ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get"  
[YouTube Link](https://youtube.com/watch?v=NFmsA7SxN3c)  2023-12-01T20:25Z 475K followers, 20.9K engagements


"No Spark Troubleshooting Is there Coil Control #automotivediagnostics This clip shows no coil control but here is one that does have coil control so you can see the difference. https://youtube.com/shorts/7ooRXnEufFI"  
[YouTube Link](https://youtube.com/watch?v=O4zfLRHId90)  2025-01-23T12:24Z 475K followers, 888.4K engagements


"Ford EEC-IV No Start No Fuel Pressure Troubleshooting (Lincoln Towncar) Description operation and testing of the EEC main power relay fuel pump relay and fuel pump circuit are covered in this video. Including engine computer inputs and what are needed to turn the pump on. Interested in any of the tools I used Check out my tools pages below: https://www.scannerdanner.com/tools.html (uActivate is listed here) https://www.amazon.com/shop/scannerdanner (test light and fuel psi gauges) Video breakdown: - using the check engine light as a guide 1:02 - fuel pressure test 3:20 - causes of no fuel"  
[YouTube Link](https://youtube.com/watch?v=Tq1m3vzdVjo)  2018-04-08T00:06Z 475K followers, 211.2K engagements


"2018 Chevy Malibu P1101 P2138 Don't Always Rely On a TSB This video revolves primarily around identifying and cleaning a dirty throttle body. Related Videos: Dirty Throttle Body-Identification and Cleaning (my truck) https://youtu.be/RaTVuv6CHgUsi=mreagj6gf-1FYodu MAP Sensor Code P0106 caused by a dirty throttle body https://youtu.be/4C075DS2Ud4si=KY-_71D4F_-D1VYp [----] Chevy Malibu 2.0L P1101 Caused by a Dirty Throttle Body https://youtu.be/TyIxje20YzAsi=hmo17u8j87_nM2zi O2 Code Dirty Throttle Body (stalling problem) & Mechanic Incompetence https://youtu.be/F2gi5hRV3kgsi=sVLmEev5GYtUiHNb Time"  
[YouTube Link](https://youtube.com/watch?v=VzYoosnx9r8)  2024-08-03T16:00Z 475K followers, 34.5K engagements


"Voltage Drop vs Resistance Testing (Flow Charts Suck) NEWS FLASH Ohmmeters will lie to you Between flow charts written with an ohmmeter as the tool of choice and then people telling me "you should have measured resistance on that circuit you are over-complicating things with your methods" I've seriously had enough Time for everyone to learn something. Watch close and never tell me again to use an ohmmeter in a case like this. Here is the original video on YouTube Poor running flashing CEL no codes (bad computer ground) - Toyota https://www.youtube.com/watchv=44dP6X3QS5A Here is the SD Premium"  
[YouTube Link](https://youtube.com/watch?v=McsNOJvd0ao)  2019-06-28T17:28Z 477K followers, 72.9K engagements


"Voltage Drop Testing a Starter Motor (Quick Tips) This starter motor has a voltage drop problem on the main heavy battery cable that we identify with a test light. I will also show you how to recognize a bad starter or engine block ground as well as a voltage drop problem on the solenoid post. Starting Battery and Charging System Testing Playlist: https://youtube.com/playlistlist=PLAFYVCyenqcpZM-kQg5MUX0OvrIPSirz5 Here is the full length video this was pulled from https://youtu.be/_xvddRJmkAA ScannerDanner Tools: https://www.scannerdanner.com/tools.html"  
[YouTube Link](https://youtube.com/watch?v=PS-xqoXRiXc)  2022-05-25T14:16Z 477K followers, 107.6K engagements


"A/C Leak Testing Repair Evac and Recharge (ANY CAR) This A/C "class" will be worth sitting through for both the DIYer and the professional. Here is my A/C playlist https://youtube.com/playlistlist=PLAFYVCyenqco2yr65mNu24aiYT84-YBQy :55 where to start with any A/C problem 3:00 visual inspection what a leak looks like 5:40 type of refrigerant oil in a retrofitted system 8:08 how to tell if your A/C compressor is running 10:33 compressed air vs nitrogen to find a leak 14:00 locating a leak with soap/water 16:26 testing an A/C compressor without a refrigerant charge 18:50 pressure testing (max"  
[YouTube Link](https://youtube.com/watch?v=aN-Xni8Sg-4)  2022-06-25T15:48Z 477K followers, 741.3K engagements


"Testing an O2 sensor/AF sensor for range and accuracy What a great case study for helping the student solidify their testing methods From verifying O2/AF Sensor range and accuracy to exhaust back pressure testing to testing for a failed head gasket. Also we find out why swaptronics can get you in trouble (nightmare type of stuff) We then we move onto misfire and injector flow testing both with a pico scope and psi transducer and compare those results to an injector balance test with a timer tool. All of that and then some is in this [--] parts series with both parts now available on SD Premium"  
[YouTube Link](https://youtube.com/watch?v=gijr6RMntnA)  2024-12-20T18:00Z 477K followers, 27.4K engagements


"Understanding Short Term and Long Term Fuel Trim (a SD Premium video) This is a ScannerDanner Premium video recorded during my class at Rosedale Technical College. The rest of this series on oxygen sensors and fuel trim can be found here. https://www.youtube.com/playlistlist=PLM4TD8VJ3gj_zwaGPvG3kqYPcQsd7iyze Engine Performance Diagnostics chapter [--] pages 7-19 Topics cover - purpose of short term and long term fuel trim - which fuel trim data is retained in memory - upstream and downstream oxygen sensors - purpose of bank control fuel trim - how to use fuel trim to identify type of lean"  
[YouTube Link](https://youtube.com/watch?v=oRX2V6_a3dc)  2012-04-01T10:19Z 477K followers, 550.9K engagements


"Low Voltage from a Bad Ground Voltage Drop Testing Fundamentals This Cadillac has a bad engine block ground that was causing all sorts of electrical issues. voltage drop test bad ground no crank starter test voltage drop test bad ground no crank starter test"  
[YouTube Link](https://youtube.com/watch?v=rGQ-bA9z39Y)  2024-07-03T12:28Z 477K followers, 34.4K engagements


"Ford idle air control valve (IAC) test - stalling problems This video covers the symptoms and causes of a stalling problem as associated with an idle speed control device. Click here for another video on Ford IAC testing http://youtu.be/ayjhL9jpFH8 Visit my website www.scannerdanner.com for more about my eBook and lectures. Visit our school www.rosedaletech.org to be part of my class in person. Visit http://www.youtube.com/channel/UCs2NZ_wQFDFvV0QOhoZgASA if you would like to be part of my on-line class. For more information on this topic I have written a field manual called Engine"  
[YouTube Link](https://youtube.com/watch?v=0r3nCwZsS3M)  2014-08-02T22:55Z 477K followers, 492.6K engagements


"How to test an ignition coil/module with a test light (distributor ignition) - GM The tests shown in this video can be used on most ignition coils with the exception of the [--] and [--] wire coil over plug systems. #nospark When you have no spark from an ignition coil you must first test for "control" (the switching on and off of the coil). There are multiple ways to do this. I show two methods in this video. One is using a basic test light and two is using a scope and low amp probe. Finally I show how to perform a resistance test on the coil itself using an ohmmeter. Visit my website"  
[YouTube Link](https://youtube.com/watch?v=mDKj19Hnhd0)  2014-09-19T03:43Z 477K followers, 1.4M engagements


"Whats Up With This Ignition Coil Trigger #IgnitionCoil #AutoDiagnostics #ScannerDannerPremium This ignition coil trigger signal doesnt look right and its the clue that exposed the real fault. Full diagnostics training: https://www.scannerdanner.com/join-scannerdanner-premium.html engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics"  
[YouTube Link](https://youtube.com/watch?v=twIFhjkMLqQ)  2026-02-13T18:33Z 477K followers, [----] engagements


"Multiple Problems/Poor Customer Communication (Low Power Long Crank Stalling P0171/P0174/P0121) P1 Link to part [--] (the follow up) https://youtu.be/yw1-zlFuXZ4 [----] Chevy Suburban 5.3L with lean conditions from a fuel pressure issue and a vacuum leak a dirty throttle body causing false TPS code P0121 and a charging system issue. If you are not careful with a job like this it can end up costing you money. Symptoms: Long crank time low power backfiring through the intake stalling battery light on :40 symptoms and customer complaint 2:18 what I think the problems are 3:36 code list and freeze"  
[YouTube Link](https://youtube.com/watch?v=PvAcjWXJu94)  2022-01-15T17:19Z 477K followers, 69.8K engagements


"How to check the 5v reference circuit for a short to ground (Cadillac) [----] Cadillac DTS Shorted 5v Reference Circuit Typically a vehicle will not run with a shorted 5v reference circuit but in the case of this Cadillac it has [--] separate 5v regulators so it can still run with one of them shorted. For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto"  
[YouTube Link](https://youtube.com/watch?v=uyncVz_HAtA)  2013-11-22T14:52Z 477K followers, 306.1K engagements


"No Spark Troubleshooting Is there Coil Control #automotivediagnostics Testing for coil negative "control" is the key when troubleshooting a no spark condition on an ignition coil. In this clip I am using a test light but in the full video I back up our findings with a lab scope. Full video is linked in this short. #picoscope #no spark"  
[YouTube Link](https://youtube.com/watch?v=7ooRXnEufFI)  2024-12-09T18:34Z 475K followers, 362.5K engagements


"How to use Fuel Trim to identify the cause of a P0171 and P0174 code In this video I will show you how to use trouble codes freeze frame data short term and long term fuel trim data to determine the type of lean condition. Engine Performance Diagnostics chapters [--] and [--] Symptoms - rough idle - higher than normal idle speed - lower than normal idle speed - run good under load - check engine light (P0171 P0174) Fix - repair vacuum leak at the EGR tube Tests shown - how to use freeze frame data to determine type of lean condition - how to read and interpret fuel trim numbers (STFT and LTFT) -"  
[YouTube Link](https://youtube.com/watch?v=9gJoH5_Thaw)  2012-07-27T17:10Z 476K followers, 190.2K engagements


"I Cant Believe This ECU Driver Survived. (O2 Heater Circuit Testing) A downstream O2 heater code is easy to ignore until you see 20+ amps of current on the circuit. In this video I capture a spike that could have destroyed the ECU driver and explain why voltage testing alone can miss it. The vehicle being worked on is a [----] Mini Countryman 1.6L Turbo. 🔧 WANT TO GO DEEPER THAN YOUTUBE Structured diagnostics training: classroom lessons + real case studies. 👉 https://www.scannerdanner.com/join-scannerdanner-premium.html We walk through proper O2 heater circuit testing and show why voltage"  
[YouTube Link](https://youtube.com/watch?v=DF84CjP9l8s)  2026-01-10T19:45Z 477K followers, 15.7K engagements


"12 volts unplugged Zero volts plugged in (why) It showed [--] volts unplugged and zero volts plugged in. This is a classic example of why unloaded voltage tests lie and why voltage drop testing must be done with the circuit loaded. The fuel pump wasnt the problem. The circuit was. If youre diagnosing by unplugging components and calling it good this will fool you every time. Full diagnostics training on my website https://www.scannerdanner.com/join-scannerdanner-premium.html engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY"  
[YouTube Link](https://youtube.com/watch?v=DKjr2YssOSU)  2026-02-04T00:40Z 477K followers, [----] engagements


"EGR Closed Performance P1404 with new EGR valve installed (GM) During this diagnosis of an EGR trouble code on this Impala I have the opportunity to go into detail about computer controlled solenoids duty cycle and how they relate to valve position. I also get to showcase the power of the Verus with side-by-side scope and scan tool testing. Despite the inadvertent fix this video makes for great study material especially relating to sections [--] [--] and [--] in my book. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P1404) Fix - resetting the EGR valve closed position"  
[YouTube Link](https://youtube.com/watch?v=HT4OnP4U0to)  2012-11-02T10:10Z 475K followers, 210.5K engagements


"Opposite Fuel Trims: Bank [--] Negative Bank [--] Positive [----] Ford F-150 4.2L with Bank [--] running rich at -15% and Bank [--] running slightly lean at 10%. Many parts have been replaced before we got to this truck including the cats. No real symptoms that we could feel initially except a little bit of a rough idle. Power loss on a test drive was questionable. 00:00 - at my brother shop 01:07 - initial view of O2 and Fuel Trim 03:50 - O2 heater current and signal looks poor on bank [--] 05:44 - how to baseline test any O2 or AF sensor (full rich/full lean range) 10:00 - suspecting an O2 problem 12:16 -"  
[YouTube Link](https://youtube.com/watch?v=J4-5eAsbgCw)  2025-10-25T16:00Z 477K followers, 15.7K engagements


"Troubleshooting a Shorted 5v Reference Circuit (Chevy Silverado) This truck has more than one 5v regulator and we are chasing a problem on the REF [--] circuit (P0651). It is also setting false random misfire (P0300) and crank sensor (P0335) trouble codes. ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner Related videos: How to check the 5v reference circuit for a short to ground (Cadillac) https://youtu.be/uyncVz_HAtA No Start from a shorted MAP sensor (Honda Acura) https://youtu.be/za13UnpbH7E For more information on this topic I have"  
[YouTube Link](https://youtube.com/watch?v=RcQdITo_AOA)  2019-08-31T22:17Z 476K followers, 304.3K engagements


"No Start - PCM No Com - No Spark or Injector Pulse 5v Reference Test Understanding the importance of testing for a 5v reference will save you so much time in these situations For more on the 5v ref circuit check out this playlist. (Chapters [--] [--] and 11) The 5v Reference and Signal Circuit Quick Tests: https://www.youtube.com/playlistlist=PLAFYVCyenqcpP9ykkWb2D16nVEjyQ1eTZ This lecture in particular is key in understanding this 5v ref circuit https://youtu.be/pb8o5EngBwM"  
[YouTube Link](https://youtube.com/watch?v=SFNX2WIr6aM)  2024-02-24T17:17Z 475K followers, 43K engagements


"Ignition System Designs Operation and Testing (an SD Premium video) For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium https://www.scannerdanner.com/join-scannerdanner-premium.html There is a [--] day free trial. On ScannerDanner Premium I will"  
[YouTube Link](https://youtube.com/watch?v=_Ijhi7ai1HY)  2014-03-12T19:47Z 475K followers, 165K engagements


"Why Six Fuel Pumps Didnt Fix This Car (Voltage Drop Under Load) This vehicle had six fuel pumps installed and none of them fixed the problem. In this class-style breakdown I walk through a fuel pump voltage drop diagnosis that only showed up when the circuit was loaded. Unplugged tests looked perfect. Plug it in Voltage disappeared. This video explains why unloaded voltage tests can completely mislead you how to verify scope ground integrity in rusty vehicles how to properly test a fuel pump relay under load why resistance (not high current) melts terminals and what terminal fretting really"  
[YouTube Link](https://youtube.com/watch?v=aqdVE0is4YI)  2026-01-31T17:00Z 477K followers, 14.7K engagements


"Ford Idle Air Control (IAC) valve test (how to adjust minimum idle speed) Here were covering an idle speed issue on a Grand Marquis. This video goes along well with chapter [--] in my book Idle Speed Controls but also specifically covers Ford scan data and minimum idle speed adjustment. The testing methods shown will apply to most Ford systems that utilize a two wire IAC valve as well as other [--] wire IAC valves used by other manufacturers. Engine Performance Diagnostics chapter [--] Symptoms - high idle speed - check engine light (P0507) Fix - adjusting minimum idle speed Tests shown -"  
[YouTube Link](https://youtube.com/watch?v=ayjhL9jpFH8)  2012-10-30T01:27Z 476K followers, 859.4K engagements


"PONTIAC G6 BAD GROUND A No Start No crank Condition Case Study ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=dfAMDODbDEw)  2020-11-14T15:21Z 475K followers, 99.3K engagements


"GM Bypass Ignition System Operation (part 1) Part [--] https://youtu.be/vmutNjx7QDY This is a unique design when it comes to ignition systems. One where the ignition module can control spark completely independent from the engine computer and is something GM used for many years. Starting with their computer controlled distributor ignition systems in the early 80s and continuing in many different waste spark designs well into the late 90s. The engine being discussed is an older GM [----] but the material can be applied to all GM bypass ignition systems. This lecture was given to my class in"  
[YouTube Link](https://youtube.com/watch?v=mxPdxGqRWvc)  2011-11-18T07:57Z 475K followers, 263.2K engagements


"How to test an electronic EGR valve (GM P1406 case study) In this video I show another variable when it comes to testing this type of EGR valve. (open 5v reference circuit from a bad engine computer) I'll also show you how I repaired this problem without replacing the computer. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P1406 P0300) Fix - re-wire one of the 5v reference circuits Tests shown - how to use scan data to identify a problem with the EGR position circuit - identifying a power or ground side output with a multimeter - how to use a multimeter to manually"  
[YouTube Link](https://youtube.com/watch?v=te_kapz-fj4)  2013-07-17T03:19Z 475K followers, 470K engagements


"How to test a coolant temperature sensor (ECT sensor test) This same test can be followed for both [--] and [--] wire coolant temp. sensors and applies to ALL cars not just the one in this video (Hyundai Santa Fe) For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to"  
[YouTube Link](https://youtube.com/watch?v=wxaohKkQF3o)  2015-07-02T17:13Z 475K followers, 232.5K engagements


"Basic Ignition Description Operation and Testing (any car) A free ScannerDanner Premium video. This is a raw (unedited) video taken from my Engine Performance class this morning. I used this opportunity to review ignition systems with my class as well as to try to help one of my YouTube subscribers. His question was on a [----] Mazda [---] with a no spark no start problem. The information covered in this video goes above and beyond this Mazda system. I will be teaching you fundamentals that will help you troubleshoot a no spark problem on any car Engine Performance Diagnostics chapter [--] Playlist"  
[YouTube Link](https://youtube.com/watch?v=01kxE1gMgio)  2012-02-13T16:14Z 476K followers, 197.8K engagements


"New Throttle Body New Module Same Problem.Now What A truck came in with a lost communication with throttle actuator code and a long list of replaced partsbut the problem was never the parts. This video shows why communication codes get misdiagnosed and how the parts cannon took over. Using scope data and simple logic the real cause is uncovered: an intermittent bad ground that only failed under load. A quick practical reminder of why verifying powers and grounds matters before replacing anything. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics"  
[YouTube Link](https://youtube.com/watch?v=04LsdKmRRhw)  2026-02-07T17:00Z 477K followers, 16.7K engagements


"How Jumper Wires & T-Pins Can Kill ECM Drivers Jumper wires T-pins and test lights can instantly destroy computer drivers if you dont understand circuit polarity and current flow. In this class I explain power-side vs ground-side switched circuits why fuses dont protect drivers how T-pins can cook an ECM and how to safely test drivers using LED vs incandescent test lights. This is necessary testing but only when you understand the risks. This video is pulled from the ScannerDanner Premium training library specifically SDP [---] (Day [--] Part 2). If you want the full structured training (600+"  
[YouTube Link](https://youtube.com/watch?v=58k2sagV1ZI)  2025-12-27T16:09Z 477K followers, 25.4K engagements


"How to simulate a rich & lean O2 signal (PCM response testing) How to quickly test an O2 sensor signal wire for opens and shorts when no scan data is available. This test is very useful in identifying wiring harness integrity when you have an oxygen sensor signal that is either fixed high or low. You can actually use your body as a resistor instead of a test light if that makes you more comfortable. Engine Performance Diagnostics chapter [--] page [--] Tests shown - how to simulate a lean oxygen sensor signal - how to simulate a rich oxygen sensor signal Tools used - test light - back-probing pins"  
[YouTube Link](https://youtube.com/watch?v=7MDtYzHl6AY)  2011-12-13T22:11Z 476K followers, 63.5K engagements


"Wideband O2 sensor testing P1130 (Lexus RX-300) part [--] In this first part of a two-part series I get my hands dirty on a [----] Lexus RX-300 with a wideband O2 sensor problem. As I show in the video the operation of this sensor is very different to a normal O2 sensor and requires some different testing methods. Check out Part II for the conclusion. Engine Performance Diagnostics chapter [--] Symptoms - pending trouble codes (P0171 P1130) - intermittent rough idle Fix - replaced the bank one upstream wideband O2 sensor - cleaned the MAF sensor Tests shown - using scan data to evaluate wideband O2"  
[YouTube Link](https://youtube.com/watch?v=7Xm2rYQXT8s)  2013-01-13T18:52Z 476K followers, 108.5K engagements


"COMEBACK - [----] Chevy Trax Blower Motor (Part 2) I hate "come backs" As many of you stated in part [--] inferior parts are a plague in our industry. But was this an inferior part Was the blower motor drawing too much amperage (15-17 amps on a [--] amp circuit) Did I perform the blower motor amp draw test properly Or did something else cause this issue I think we answer these questions well in this video. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for"  
[YouTube Link](https://youtube.com/watch?v=GereOBzHOws)  2025-09-13T16:00Z 476K followers, 13.9K engagements


"2006 Ford E350 6.0L Turbo Diesel Bad ECM/TCM and BCM [----] Ford E-Series 6.0L V8 Direct Injection Turbo Diesel 00:00 - love my brother 02:00 - symptoms/codes and testing my brother did 09:00 - ECM and BCM combined in one module 16:51 - CAN signals on a lab scope 19:33 - U0100 and U0101 flow charts/research 21:47 - research time (don't work for free) 24:14 - "substitute known good ECU and retest" 30:45 - how flow charts should be written 32:00 - cont. reviewing no com possibilities 33:10 - question to the community 36:10 - why I am not testing powers and grounds 36:40 - what a bad ground looks"  
[YouTube Link](https://youtube.com/watch?v=NzA4mJL69DU)  2025-10-04T16:22Z 476K followers, 15.7K engagements


"Secondary Ignition Waveforms (common faults) In this video I will cover secondary ignition misfire diagnosis using a lab scope. The following waveforms will be shown: [--]. A no fuel misfire [--]. An open plug or wire [--]. A shorted plug or wire [--]. A coil output test Engine Performance Diagnostics chapter [--] pages 13-15 Playlist - (Chapter 1) Misfire ID Compression Tests Vacuum Leaks Fuel Trim Head Gasket Restricted Exhaust Low Power DMM https://www.youtube.com/playlistlist=PL5E3AEC36DB838BB1 Related videos - How to find a misfire with no trouble codes (uScope) https://youtu.be/ppActthRa70 - Ignition"  
[YouTube Link](https://youtube.com/watch?v=SUShO72Grq8)  2012-04-14T17:36Z 476K followers, 205.5K engagements


"No Spark Troubleshooting bad ECM driver test #automotivediagnostics Full video linked in this short"  
[YouTube Link](https://youtube.com/watch?v=TXDOCuqEiyA)  2025-02-27T22:36Z 476K followers, 36.3K engagements


"How to test a Ford MAF sensor This is a case study on a [----] Ford Explorer 4.0L engine with a MAF sensor fault. It also has rich exhaust codes P0172 and P0175. For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=WH1GLWSTTXM)  2015-07-12T21:55Z 476K followers, 194.6K engagements


"Allison Transmission (3000 series) fluid and filter change - [----] American Coach This a [----] MH Allison transmission mounted behind an 8.3L Cummins ISC engine in a Spartan chassis. The vehicle is a [----] American Coach American Tradition made by Fleetwood. In this video we will be changing the transmission fluid and filters using factory recommended parts and fluid. Parts used - Mobil [------] Delvac Synthetic Automatic Transmission Fluid - [--] Gallon http://amzn.to/2dmQZBX - Mobil [------] Delvac Synthetic Automatic Transmission Fluid - [--] Gallon (Pack of 4) http://amzn.to/2dFmGGo - Allison"  
[YouTube Link](https://youtube.com/watch?v=YBN6xrY1IAk)  2016-10-07T10:42Z 476K followers, 95.6K engagements


"Best (so far) BUDGET Bi-Directional Scan Tool - For DIY and PROFESSIONAL Link to part [--] (field testing follow up) https://youtu.be/MRE7jKXlwco 10% of the proceeds will be donated to St. Jude's Children's Research Hospital using promo code DANNER For pricing and information here is the link to the Phoenix (updated link) https://www.topdon.us/collections/professional-series/products/phoenix ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics"  
[YouTube Link](https://youtube.com/watch?v=eVU-03t_mzU)  2022-03-19T16:00Z 476K followers, 246.5K engagements


"Holley Terminator X EFI - Wiring Harness Installation and Suggestions In this second part of our Terminator X Stealth installation we are installing the harness and computer. This will be a nice detailed review for anyone interested in installing one of these systems and will answer many of the questions people will have. Here is a link to part [--] where we are installing an in-tank electric fuel pump in a [--] Dodge Power Wagon https://youtu.be/JKOgIR9LrTE Holley Terminator X wiring diagram pdf https://documents.holley.com/0e6992fcbea20610d28b5e03b0ba55e339d5323f.pdf #holleyterminatorx"  
[YouTube Link](https://youtube.com/watch?v=h9jM9212O4E)  2025-10-01T20:00Z 476K followers, [----] engagements


"GM MAF sensor circuit tests (a free ScannerDanner Premium video) Visit my website www.scannerdanner.com for more about my eBook and lectures. Visit our school www.rosedaletech.org to be part of my class in person. Visit http://www.youtube.com/channel/UCs2NZ_wQFDFvV0QOhoZgASA if you would like to be part of my on-line class. For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking"  
[YouTube Link](https://youtube.com/watch?v=mjgWcVcPP2M)  2014-12-03T07:11Z 476K followers, 59K engagements


"2013 Dodge Ram - No Horn/Steering Wheel Switch Functions - LIN Bus Fault U1009-00 [----] Dodge Ram NO Horn operation steering wheel switches do not work though sometimes the cruise control does. We have some LIN bus codes in memory. Join us as we fix this problem 00:00 - customer complaint and symptoms U1009-00 03:10 - data from the SCCM (steering column control module) 06:01 - hard fault U1009-00 LIN [--] Bus - Active Stored 06:06 - horn circuit wiring diagram 09:46 - RC-R36-15 SAFETY RECALL R36/NHTSA 15v-459 Steering Wheel Wiring 11:07 - a clip from an SD Premium video (accidental airbag"  
[YouTube Link](https://youtube.com/watch?v=qYVXyiW8oLY)  2022-12-31T18:08Z 476K followers, 92.7K engagements


"Charging System Operation and Testing (94 Toyota Celica) Intermittent charging system/battery light comes on while driving problem.This video covers the typical checks that must be done on a non computer controlled charging system before replacing an alternator. Interested in the tools I use Check out my lists https://www.amazon.com/shop/scannerdanner https://www.scannerdanner.com/tools.html Video breakdown: - what you need to do when the battery light comes on :20 - battery and charging system fundamental checks 1:12 - idle voltage with no accessory loads 2:02 - battery/charging light test"  
[YouTube Link](https://youtube.com/watch?v=F9db0Yi_wkE)  2018-04-21T12:44Z 476K followers, 122.9K engagements


"Dirty MAF Sensor Case Study [----] Toyota Corolla MAF sensor testing. Using a scanner and labscope. Trouble code P0171 in memory. How to determine what is causing the engine to run lean. Symptoms: - low power - hesitation - check engine light with a P0171 fault code Fix: - clean dirty MAF sensor Test procedures shown: - how to test a mass airflow sensor - how to use a the oxygen sensor at wide open throttle to test fuel delivery - before and after cleaning scan data and scope measurements of the MAF sensor - throttle position sensor will not reach 100% on scan data - how to clean a MAF sensor"  
[YouTube Link](https://youtube.com/watch?v=Hmt_LNJ9GkI)  2011-08-30T23:36Z 476K followers, 420.3K engagements


"Ignition coil-module test with test light (a free SD Premium video) This lecture applies to ALL ignition coils and computer controlled ground side switched circuits. Join me and my class at Rosedale Technical College as we learn how to test an ignition coil for what I call "control". This video is an example of what is available on ScannerDanner Premium. I have a lecture for every single page of my book plus countless case studies to help reinforce the subject. (14 day free trial) Engine Performance Diagnostics chapter [--] page [--] Related videos - How to troubleshoot a no spark condition with a"  
[YouTube Link](https://youtube.com/watch?v=jJmqdhhduVc)  2011-11-17T18:15Z 476K followers, 183.3K engagements


"Starter Motor Tests you MUST Learn voltage drop on battery post of starter No Crank starter just clicks tests you MUST know how to perform. no crank starter clicks no start voltage drop test no crank starter clicks no start voltage drop test"  
[YouTube Link](https://youtube.com/watch?v=4bFY8RH2fGU)  2024-07-01T17:58Z 476K followers, 88.1K engagements


"Causes of lean condition trouble codes P0171 P0174 - GM [--] 3L The vehicle being worked on is a [----] Chevy Suburban with a 5.3L engine. It had multiple trouble codes in memory P0171 and P0174 (fuel system too lean bank [--] and 2) a P0101 (MAF circuit out of range) and a P0300 (engine misfire detected). All of these were related to one single problem. Engine Performance Diagnostics chapter [--] pages 4-12 Symptoms - rough idle especially cold - check engine light (P0171 P0174 P0101 P0300) - poor gas mileage - hesitation on acceleration - runs much better with engine warm Fix - replace intake manifold"  
[YouTube Link](https://youtube.com/watch?v=3RFTS22w6tM)  2016-02-26T11:00Z 477K followers, 1.1M engagements


"No Spark Learn This Test Ignition Coil Testing involves looking for coil negative control. This test can be performed (using an incandescent test light) on any coil where the driver is not part of the coil assembly. (conventional most waste spark systens and 2-wire C.O.P.) On the [--] and [--] wire C.O.P.s coil negative cannot be accessed directly as it is internal to the coil however the coils trigger signal can be viewed similarly using an LED type of test light. DO NOT use an LED test light to monitor coil - for pulsing/control (shown in this video) because the 300-400v spikes that occur during"  
[YouTube Link](https://youtube.com/watch?v=B3yRH_fOaxo)  2024-04-29T10:49Z 477K followers, 143.2K engagements


"Testing a Magnetic Type Crank Sensor for a Weak Signal Interested in online technician training We offer a [--] day free trial then it is $11 a month after the trial giving you access to [---] videos and counting. https://www.scannerdanner.com/join-scannerdanner-premium.html no start no spark no rpm crank sensor test vrs magnetic pickup no start no spark no rpm crank sensor test vrs magnetic pickup"  
[YouTube Link](https://youtube.com/watch?v=J2fXdrNc4u8)  2024-06-02T17:46Z 477K followers, 10.2K engagements


"2016 Chrysler [---] - No Crank Diagnostics No crank no start diagnosis on a [----] Chrysler [---] with push-button start. This vehicle had an intermittent no-crank that eventually became a constant no-crank. In this video we walk through complete starting system testing including: Scan data checks of start/stop inputs Park/neutral and related DTC evaluation Starter relay and fuse testing Circuit checks to the starter solenoid A real-world example of diagnosing a modern electronically-controlled starting system using scan data wiring diagrams and load-side testing. 0:00 No crank no start"  
[YouTube Link](https://youtube.com/watch?v=Lf6D8itG-mk)  2026-02-14T16:36Z 477K followers, 11.1K engagements


"Testing for Fuel Injector Control Injector Pulse Test #fuelinjector #nostart #misfire Testing for Injector Control or Injector Pulse is super easy to do or port injection systems. In this video I'm using a simple incandescent test light to perform this test. fuel injector test injector pulse fuel injector control no start misfire fuel injector test injector pulse fuel injector control no start misfire"  
[YouTube Link](https://youtube.com/watch?v=b9LbbLS0hmA)  2024-02-28T13:51Z 477K followers, 100.2K engagements


"2017 Chevy Trax Blower Motor Circuit Troubleshooting (Part 1) Make sure you watch Part [--] This new resistor lasted one day https://youtu.be/GereOBzHOws 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1"  
[YouTube Link](https://youtube.com/watch?v=d_Jwfc0r0zQ)  2025-09-06T17:00Z 477K followers, 17K engagements


"Voltage Drop Testing with a Test Light Part [--] Of course a test light is not always the preferred tool when performing voltage drop testing but when you have an output (electric motor solenoid relay etc) that is not functional at all a test light is just as accurate as a voltmeter and can even be more accurate in the case of an open in that output (no current flow). When we want an actual number (voltmeter) is when we have an output that functions but not properly. For example a starter motor that turns but turns slowly. In this case the test light is NOT the preferred tool. Voltage AND"  
[YouTube Link](https://youtube.com/watch?v=kTW68s5vqIg)  2024-08-31T14:59Z 477K followers, 82.3K engagements


"Misfire Quick Tests (Is it a spark fuel or compression problem) [----] Dodge Caravan/Chrysler Town and Country 3.8L with a misfire. In this video I will walk you through some simple tests to help you isolate the cause. Even if you do not have a lab scope the cranking sound test I show will help you determine if you have a compression problem or not. Tests shown: - how to perform a cylinder drop (RPM drop) test using a test light - how to perform a cranking compression sound test - how to perform a relative compression test with a scope - how to determine which cylinder has low compression on a"  
[YouTube Link](https://youtube.com/watch?v=uB9XCDO8oa8)  2017-11-05T20:56Z 477K followers, 922.8K engagements


"A/C Diagnosis-Sticking Thermal Expansion Valve (TXV H-Valve) Just because system pressures are low and you have warm discharge air does not mean you are low on charge Let me walk you through what a restriction in an A/C system looks like and how to fix it. (Dodge Durango case study) Tools used - ATD Tools [----] Deluxe Dual Aluminum A/C Manifold Gauge Set https://www.jbtoolsales.com/atd-tools-3695-deluxe-dual-aluminum-a-c-manifold-gauge-set#oid=1014_1 - FJC [----] [---] CFM Vacuum Pump https://www.jbtoolsales.com/fjc-6909-3-0-cfm-vacuum-pump#oid=1014_1 - Mastercool [-----] R-134a Can Tap Valve"  
[YouTube Link](https://youtube.com/watch?v=xBuAQuWezMY)  2017-08-21T16:03Z 477K followers, 1.7M engagements


"Alternator Rotor Field Testing #mopar #alternator #voltageregulator Full video linked in this short"  
[YouTube Link](https://youtube.com/watch?v=00ef_JXZvbQ)  2025-10-19T12:31Z 466K followers, 21.1K engagements


"Module or Relay Heres the Proof What is killing this battery Trailer Brake Control Module or Solid State Relay Same setup. Same conditions. Only one part causes the draw. Full video https://youtu.be/3vGEPzwg50c engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics engine performance diagnostics technician training auto technician"  
[YouTube Link](https://youtube.com/watch?v=0ZVITbELiTE)  2026-01-22T21:20Z 477K followers, 20K engagements


"This Is What Was REALLY Causing the Parasitic Drain [---] mA parasitic drain. Full diagnostic breakdown on my channel engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive"  
[YouTube Link](https://youtube.com/watch?v=1JAL2Dv4uYY)  2026-01-19T18:25Z 477K followers, 13.3K engagements


"This is why you can't ignore o2 heater codes Downstream [--] heater code. 20+ amps of current. This should've killed the ECU driver. Click the link to check out the full video 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1"  
[YouTube Link](https://youtube.com/watch?v=1aPBYW0FL6U)  2026-01-12T21:31Z 477K followers, 13.5K engagements


"Cloning a New Tire Pressure Monitor Sensor (TPMS) To purchase this kit from Autel visit my Amazon Affiliate store https://www.amazon.com/shop/scannerdanner These Autel universal sensors run about $30 a piece and can be cloned to a factory sensor eliminating the need to program the new sensor after installation"  
[YouTube Link](https://youtube.com/watch?v=3ckKXg-kx4Y)  2019-09-21T16:13Z 467K followers, 114.2K engagements


"New Class: Master the Call What Makes a Module Bad #RosedaleTech #ScannerDannerPremium This class will be available on my website for SD Premium members soon Special thanks to @rosedaletechnicalcollege8131 for providing me this platform Interested in a trade Check out all of our programs at rosedaletech.edu Interested in joining my online classes You can sign up here for a [--] day trial for one dollar https://www.scannerdanner.com/join-scannerdanner-premium.html"  
[YouTube Link](https://youtube.com/watch?v=3suJVbWQJHY)  2025-11-06T16:53Z 477K followers, [----] engagements


"This Is What Was REALLY Causing the Parasitic Drain Parasitic drain follow-up. We pinpoint the exact cause of the [---] mA key-off draw isolate the circuit and prove the faulty part with repeatable testing not guesswork. Missed Part [--] Start here: https://www.youtube.com/watchv=1XO5eP_hLdY 00:00 Recap: [---] mA Parasitic Drain 01:12 Viewer Comments & Common Theories 02:33 Thermal Camera Mistake Explained 03:51 Code C1113: What It Means 04:38 Is the Module Waking the Relay 06:14 Trailer Brake System Overview 07:41 High-Side vs Low-Side Drivers 08:45 Parasitic Drain Test Strategy 12:42 Scope & Amp"  
[YouTube Link](https://youtube.com/watch?v=3vGEPzwg50c)  2026-01-17T17:41Z 477K followers, 12.8K engagements


"How an Ignition Coil Works Understanding this principle is key in being able to interpret ignition waveforms on a lab scope. This clip was taken from my Chapter [--] Playlist on SD Premium where I'm introducing a group of new students on how an ignition coil can take 12v and make it [-----] volts. ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic"  
[YouTube Link](https://youtube.com/watch?v=4-BVb8Z6am0)  2023-12-15T22:00Z 469K followers, 28.5K engagements


"What is Oxygen Sensor Bias Voltage (an SD Premium video) After showing you guys (and my class) the operation of an oxygen sensor on a motorcycle (https://youtu.be/NTec5ha83QU) I used this opportunity to discuss a very difficult topic from chapter [--] in my Engine Performance Diagnostics book. The topic is "Oxygen Sensor Bias Voltage". In this video I want to show you what it is and how to use it to your diagnostic advantage. The first part of this video we will be reviewing some pages from my book so if you've been wondering what type of material is in there this is your chance to see. Then I"  
[YouTube Link](https://youtube.com/watch?v=4N40lBnA8sI)  2016-06-03T05:43Z 473K followers, 71.8K engagements


"One Meter Mistake That Can Waste Hours #SDPremium #automotivetraining #electricaltraining If your voltage readings dont make sense stop chasing the circuit. Check your meter. Check your ground. Bad test connections lead to bad diagnostics and wasted time. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level"  
[YouTube Link](https://youtube.com/watch?v=5463AK1rKIk)  2025-12-17T18:00Z 477K followers, 35.7K engagements


"How to troubleshoot a faulty MAF sensor (Mercedes Benz) The test featured in the video is using the O2 sensor at wide open throttle to determine the cause of a low power complaint. This [----] Mercedes Benz ML320 had very low power (will not go over [--] mph) with random and multiple cylinder misfire codes in memory. In this video I will show you how to prove these symptoms are caused by a lack of fuel which led us directly to the MAF sensor. I will be showing you MAF data on the scan tool and also detailed testing of the sensor itself using a scope. You will not need expensive equipment to"  
[YouTube Link](https://youtube.com/watch?v=5Zb7q0aunz8)  2015-11-17T05:01Z 446K followers, 262.4K engagements


"Mopar Charging System Testing External Voltage Regulator [----] Dodge Power Wagon [---] charging system testing. This one has a 2-pin external voltage regulator. In this video I will walk you through most of the variables you will find when testing one of these systems with the primary tool used being an old school incandescent test light. DO NOT use an LED type light for this testing procedure as it will result in inaccurate measurements. 00:00 - no charge condition testing 01:50 - system voltage test 02:52 - testing the rotor field circuit engine running 03:54 - testing the rotor field circuit"  
[YouTube Link](https://youtube.com/watch?v=62YhcrgjA5I)  2025-10-18T15:33Z 466K followers, [----] engagements


"How to identify a bad main relay on a Honda (PGM-FI) This is a [----] Honda Accord with an intermittent no start complaint. Other symptoms include: stalling long crank times surging bucking poor transmission shifting. Some quick work with the test light allowed me to zero in on a PGM-FI main relay issue which was confirmed by a visual inspection on the relay board itself. If you can forgive my soldering work done through a tiny video camera screen then you can get an idea of how to repair these relays quickly and easily. Dont forget to check the Related Videos for a follow up video detailing"  
[YouTube Link](https://youtube.com/watch?v=6CMZ4g8n0FQ)  2013-06-06T03:20Z 472K followers, 1.2M engagements


"1988 Ford F150 EEC-IV No Spark Good Ignition Coil Module and Distributor Pick-up I was 100% confident this needed an ignition module at 11:40 of the video. I was wrong (original title - "ScannerDanner gets his butt kicked by an '88 F-150 (EEC-IV Ignition)" The testing methods shown in the video are applicable to all EEC-IV TFI Ignition systems. Related videos: https://www.youtube.com/watchv=mDKj19Hnhd0 https://www.youtube.com/watchv=YBE7c7lfmnY https://www.youtube.com/watchv=LdnnFD6J8Uo https://www.youtube.com/watchv=-ZGLoSSowYY Visit my website www.scannerdanner.com for more about my eBook"  
[YouTube Link](https://youtube.com/watch?v=6UPe5f1s2ak)  2015-01-14T16:30Z 469K followers, 367.2K engagements


"The right way to remove your A/C pressure gauge after service Full video linked in this short"  
[YouTube Link](https://youtube.com/watch?v=6viOZTihSLc)  2025-07-07T12:53Z 475K followers, 49.4K engagements


"GMC Yukon HVAC Blower Motor Won't Turn On How to test the blower motor switches blower resistor (which is a module on this one) and the blower motor itself will be shown in this video. Interested in the tools I am using You can find them here https://www.scannerdanner.com/tools.html Related videos - How to test a blower motor and resistor (subscriber requested) https://youtu.be/KI9em35OcaY - Alcohol in Fuel Test and Reset - [----] Flex Fuel Chevy Impala https://youtu.be/5DI3GlpOszE - [----] Chevy Tahoe Airbag Fault B0084 (Front End Sensor [--] Erratic) https://youtu.be/5b7XSWg8hLE For more"  
[YouTube Link](https://youtube.com/watch?v=8NXjUlDwZs0)  2017-10-30T10:20Z 467K followers, 314.5K engagements


"This is the most FRUSTRATING and most REWARDING field 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"  
[YouTube Link](https://youtube.com/watch?v=8Xodav9ZWrk)  2025-11-25T15:44Z 477K followers, 12.1K engagements


"Bad Module or Bad Testing The Diagnostics You Need to Know Full video/class is available on my website at scannerdanner.com In this lesson we dive into the real-world process of what it takes to identify a faulty control module. Using live case studies this lecture offers a practical look at the mindset and methods needed to confidently call a bad module. This ongoing series will continue to build on these foundations exploring deeper topicsincluding complex CAN diagnostics. Whether you're a student technician or enthusiast looking to strengthen your diagnostic approach this teaching will"  
[YouTube Link](https://youtube.com/watch?v=98_S0z3J2dQ)  2025-11-20T20:50Z 477K followers, 14.3K engagements


"Why do I leave in my mistakes 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case studies with"  
[YouTube Link](https://youtube.com/watch?v=BADHGw5V69I)  2025-12-09T17:37Z 477K followers, 12.7K engagements


"A/C Micron Gauge Do we really need one #airconditioning #automobile"  
[YouTube Link](https://youtube.com/watch?v=Baiwc1IfKhE)  2025-06-26T20:55Z 473K followers, 23.7K engagements


"Ignition System Operation & Testing - (No Spark Toyota Celica)-Part [--] In this video we will be focusing on the ignition system including description operation and testing. Tests shown can be applied to just about any ignition system design. Symptoms before this became a no start was intermittent misfiring and hard starting. Where to get ScannerDanner tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner Video breakdown: - how to rig up a car to crank for you under the hood 2:00 - spark test 4:00 - how to confirm ignition inputs using the tach 8:38 - using"  
[YouTube Link](https://youtube.com/watch?v=BqcKd_Gdo4A)  2018-03-08T04:00Z 469K followers, 207.5K engagements


"2007 Honda Accord Wideband O2 (Air Fuel Ratio Sensor) Testing This Honda came in with a P0171 and a P0420 trouble code. Join us as we show you how to handle testing of a wideband oxygen sensor also known as an air-fuel ratio sensor. Videos and playlist mentioned: Wideband O2 sensor testing P1130 (Lexus RX-300) part [--] https://www.youtube.com/watchv=7Xm2rYQXT8s Wideband O2 sensor testing P1130 (Lexus RX-300) - Part II https://youtu.be/s7zv9uzs0b4 (Chapters [--] and 5) Fuel Trim and Oxygen Sensor Testing https://youtube.com/playlistlist=PLD2809EEC7BAAF989 (Chapters [--] and 5) Fuel Trim and Oxygen"  
[YouTube Link](https://youtube.com/watch?v=CPsvgbCOdvo)  2021-08-06T14:53Z 473K followers, 83.9K engagements


"Pressure Sensor or Potentiometer Signal Fixed at 0v Circuit Integrity Testing In this video we will be cover all the necessary testing procedures for trouble code P0452 "EVAP Pressure Sensor Signal Low/Short". The vehicle in test is a [----] Chevy Silverado [---] but these same procedures can be followed on all General Motors fuel tank pressure sensors as well as every other pressure sensor on the car. Including MAP and BARO sensors. (original title: How to troubleshoot an EVAP Pressure Sensor problem P0452 - GM) Engine Performance Diagnostics chapter [--] Symptom - check engine light with a P0452"  
[YouTube Link](https://youtube.com/watch?v=CkgrMasd57s)  2012-02-22T07:02Z 473K followers, 168.4K engagements


"Its alive [---] Stroker Holley Terminator X Stealth EFI @JAMSIONLINE @HolleyPerformance Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=Cu62KYKL9PI)  2025-12-17T14:26Z 477K followers, [----] engagements


"2017 Ram Active ABS Wheel Speed Sensor Test #speedsensor #tractioncontrol Full video coming up this Saturday 11-15-25 Some other names for this digital type of ABS wheel speed sensor: Magneto-Resistive (MRE) Sensor and Hall Effect Sensor Related videos: How to test a digital ABS wheel speed sensor - [--] ChryslerDodgeJeep https://youtu.be/LKJWkAGMOfQ Magneto Resistive ABS Wheel Speed Sensor Test - [----] GM https://youtu.be/UBNo_yg2gFI Active ABS Wheel Speed Sensor Testing and Wiring Repair [--] Silverado https://youtu.be/ErbK7RqNhXw 📘 Want to Learn More About Diagnostics Check out my field manual"  
[YouTube Link](https://youtube.com/watch?v=Ds86_-VY5W0)  2025-11-13T22:53Z 477K followers, [----] engagements


"How to test a GM MAF Sensor (Part 2) Here is the link to part [--] https://youtu.be/p2QLxxstRn8 The procedures shown in this video can be applied to all 3-wire General Motors MAF sensors. (Chevy Buick Olds GMC Cadillac) The frequency specification I quote in this video will differ depending on engine size but the electrical tests shown particularly in part [--] are universal and apply to ALL GM MAF sensors. The vehicle being tested is a [----] Buick LeSabre [----] with a MAF trouble code P0102 Symptoms: - intermittent stalling - hesitation on acceleration - check engine light (P0102 P0103) Fix: -"  
[YouTube Link](https://youtube.com/watch?v=E8sBg7kMbOw)  2011-04-28T22:33Z 468K followers, 95.7K engagements


"Quick Diagnosis of a '97 Chevy with a Fuel Pressure Problem Low power condition troubleshooting. Quick methods to identify a fuel pressure problem on any car. Interested in any tools I used in this video see links below: https://www.amazon.com/shop/scannerdanner https://www.scannerdanner.com/tools.html Video breakdown: - 3:12 Unplugging the MAF sensor as a guide - 3:48 Fuel pressure testing w/gauge - 3:58 https://www.amazon.com/shop/scannerdanner - 4:05 OTC fuel pressure gauge (listed on my Amazon page) - 4:27 https://www.amazon.com/shop/scannerdanner - 5:30 snap throttle testing - 6:54 dead"  
[YouTube Link](https://youtube.com/watch?v=EB3hE6tCOic)  2018-06-29T15:03Z 466K followers, 261.6K engagements


"No Crank Bad Starter bailing out my mom This was my favorite video ever. Just all of it Love my mom"  
[YouTube Link](https://youtube.com/watch?v=E_O-MmH4j48)  2024-04-01T16:12Z 467K followers, 15.7K engagements


"EVP Sensor Open 5v Reference Circuit This video covers some key fundamentals that every single technician needs to learn. What do you do when you find [--] volts on a position sensor signal How do you force an output solenoid to energize What is the purpose of the 5v reference and what to do when it is missing Are you confident enough in your troubleshooting to make a call on a bad engine computer Even if that computer costs thousands of dollars 00:00 - P1406 EGR Valve Position Sensor Circuit Problem 00:20 - EVP signal is fixed at [--] volts 01:10 - how to identify a power or ground side controlled"  
[YouTube Link](https://youtube.com/watch?v=Ec8apzhXacI)  2024-02-03T16:36Z 468K followers, 31.4K engagements


"How to find a short to ground (blown fuse) In this video I cover how to locate an intermittent short to ground that is causing a fuse to blow which in turn is causing the alternator to not charge. This is part [--] of my Mazda Miata alternator video. Engine Performance Diagnostics chapter [--] Symptoms - dead battery - inoperative dash lights/gauges - stall - engine wont crank Fix - replace the blown fuse repair the downstream O2 sensor heater wiring Tests shown - how to read and interpret Mitchell wiring diagrams - how to use Power Distribution and other diagrams to short cut diagnostics - finding"  
[YouTube Link](https://youtube.com/watch?v=FK9STP4G9-I)  2013-07-05T21:32Z 468K followers, 651.3K engagements


"Flowcharts For Smart People vs Dumb People We all hate them but at times they are the way to go as you saw me blowing up an airbag testing things my way lol If you want to see this airbag video it is available on my website on SD Premium. So youll need to pay me at least $1 for the [--] day trial to see me screw up this bad lol 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional"  
[YouTube Link](https://youtube.com/watch?v=FjPjtxK7K1k)  2025-10-17T20:09Z 466K followers, 11.7K engagements


"SD Charities: Winner announcement for the FLACA Accelerate Conference SD Charities: Winner announcement for the FLACA Accelerate Conference For more information about this event: https://youtu.be/ZzsKeiKEdco For the [--] runners up mentioned look for an email from us this week about your SD/AESwave tool grant. Looking for diagnostic tools Shop here https://www.aeswave.com/scannerdanner #automotivetraining #flacaconference #orlando #ScannerDannerPremium"  
[YouTube Link](https://youtube.com/watch?v=Fsm_MZJo5jo)  2023-08-22T00:18Z 468K followers, [----] engagements


"Nissan-Infinity no start no spark from a faulty crank sensor How to troubleshoot a no start no spark problem. This video is a fantastic review of the material I have in Chapter [--] Switch Inputs and Chapter [--] Ignition System Inputs in my book. The methods Im demonstrating here can be applied to ANY pull-up design Hall effect sensor out there not just Nissan or Infiniti. Engine Performance Diagnostics chapter [--] pages [--] - [--] Symptoms - crank no start - P0335 Fix - replace the failed crankshaft position sensor Tests shown - how to perform an audible relative compression test - how to use scan"  
[YouTube Link](https://youtube.com/watch?v=Ht12mWdrNbU)  2013-07-31T13:37Z 470K followers, 270.7K engagements


"This O Sensor Was Lying This O2 sensor was stuck rich but the engine wasn't. Fuel trims & downstream data exposed the truth 🔧 Want to Go Deeper Than YouTube Structured diagnostics training: classroom lessons + real case studies. 👉 https://www.scannerdanner.com/join-scannerdanner-premium.html 🔧 ScannerDanner Premium Structured Diagnostics Training ScannerDanner Premium includes: In-depth classroom lectures focused on diagnostic process Real vehicle case studies pulled into class Electrical & electronics diagnostics training from the ground up Proven troubleshooting methods you can apply"  
[YouTube Link](https://youtube.com/watch?v=I-v1sGVyisc)  2026-01-09T18:13Z 477K followers, 14.8K engagements


"Holley Terminator X Universal In Tank Fuel Pump Installation [--] Dodge Power Wagon This is a return type fuel system which was recommended over the return-less system as it helps to keep the throttle body cooler. Holley Terminator X wiring diagram pdf https://documents.holley.com/0e6992fcbea20610d28b5e03b0ba55e339d5323f.pdf #holleyterminatorx #holleyefi #holleyperformance @HolleyPerformance @JAMSIONLINE 00:00 - intro 01:00 - picking the location 02:00 - cutting the tank 03:47 - adapting my float to the new pump assembly 05:47 - fuel tank supporting ring install 08:40 - installing the new pump"  
[YouTube Link](https://youtube.com/watch?v=JKOgIR9LrTE)  2025-08-23T15:59Z 467K followers, [----] engagements


"P0340 Cam Sensor Circuit Code (New Sensor Installed) The vehicle being tested is [----] Jeep Wrangler but the tests shown in the video apply to hall effect type cam crank and speed sensors. Video Breakdown: Introduction clip :52 - customer complaint (cam sensor fault code P0340) 1:32 - fault code list 3:57 - clearing and re-creating the code 4:30 - know your circuit designs (ScannerDanner Premium) 5:45 - Snap-on guided component test meter for help with wiring 6:50 - pin voltage tests 7:50 - confirmed signal circuit integrity (engine computer is NOT the problem) 8:40 - what the cam sensor"  
[YouTube Link](https://youtube.com/watch?v=JWfdHXL-bPg)  2019-01-30T15:16Z 469K followers, 391.5K engagements


"Wideband Oxygen Sensor Testing Using the Downstream O2 as a Guide I struggle with these wideband oxygen sensors too and this weeks video will help unlock some of the mysteries of this sensor. Here is the link to this full case study https://youtu.be/_z6HoW4OiD8 #shorts ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner"  
[YouTube Link](https://youtube.com/watch?v=JaweszuVJzg)  2023-01-04T23:00Z 473K followers, 31K engagements


"Counter Fuel Trim and Injector Flow Waveforms did we fix it 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"  
[YouTube Link](https://youtube.com/watch?v=Kg6Bc545-zE)  2025-11-10T12:18Z 477K followers, [----] engagements


"No Spark Testing Ignition Coil Module PCM or Wiring Full class this was pulled from: Primary and Secondary Ignition Waveform Analysis Part [--] https://scannerdanner.com/scannerdanner-premium-chapters/chapter-1-universal-testing-methods-full/619-primary-and-secondary-ignition-waveform-analysis-part-1.html Primary and Secondary Ignition Waveform Analysis Part [--] https://scannerdanner.com/scannerdanner-premium-chapters/chapter-1-universal-testing-methods-full/620-primary-and-secondary-ignition-waveform-analysis-part-2.html Primary and Secondary Ignition Waveform Analysis Part 3"  
[YouTube Link](https://youtube.com/watch?v=KqONttA6MoE)  2025-04-05T14:10Z 469K followers, 13.5K engagements


"THIS is why I don't trust new parts 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case studies"  
[YouTube Link](https://youtube.com/watch?v=L1R8vGHxMG8)  2025-11-13T19:43Z 477K followers, 14.1K engagements


"Fuel Trim Diagnostics an SD Premium class #fueltrim Understanding how to use fuel trim for diagnostics is critical I offer hundreds of hours of classes just like this one on my website at www.scannerdanner.com Sign up for the [--] day free trial then it is $11 a month after giving you access to over [---] videos and counting"  
[YouTube Link](https://youtube.com/watch?v=M3gdQQv1GHk)  2024-05-16T15:25Z 473K followers, 20.8K engagements


"MAF Sensor/Wideband O2 Testing This is a great case study to show what data we use for a low power complaint. Mass airflow sensor fuel trim and wideband oxygen sensor data is emphasized"  
[YouTube Link](https://youtube.com/watch?v=N0kjMW2BWqk)  2024-08-27T11:08Z 469K followers, [----] engagements


"Stuck Open Fuel Injectors (GDI) Part [--] (symptoms and troubleshooting) Is it possible to have multiple injectors that are stuck open at the same time And if so what is the root cause In this video we will show you the symptoms and how to troubleshoot this condition. In part [--] we focus on the repair and what the root cause was. The car being worked on is a [----] Ford 1.6L Ecoboost engine #GDI #Ecoboost #Injector ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine"  
[YouTube Link](https://youtube.com/watch?v=NBqkJG500yk)  2021-08-28T16:04Z 474K followers, 157.1K engagements


"Misfire from a sticking fuel injector (no fuel misfire) A common problem on these second generation GM fuel injectors. (Multec 2) They would mechanically stick closed and cause an intermittent misfire. I cannot tell you how many of these I have run across where the customer already replaced all of the ignition components in an attempt to fix the misfire. There are multiple ways to identify a no fuel misfire. In this video we will cover a few of them. In the related videos posted lower on the page I will cover more. Symptoms - intermittent misfire - check engine light (P0300) Fix - clean or"  
[YouTube Link](https://youtube.com/watch?v=NXrd1fYwj1o)  2011-10-28T15:11Z 475K followers, 210.7K engagements


"Did you fix it counter fuel trim numbers Understanding how to use fuel trim for diagnostics is critical I offer hundreds of hours of classes just like this one on my website at www.scannerdanner.com Sign up for the [--] day free trial then it is $11 a month after giving you access to over [---] videos and counting"  
[YouTube Link](https://youtube.com/watch?v=Ng_2FeUhEtg)  2024-05-17T12:26Z 466K followers, [----] engagements


"Operation and testing coil over plug ignition (4 wire) - Toyota/Lexus This case study is perfect for anyone interested in the working details of Toyota/Lexus coil over plug ignition system and the very similar three-wire designs used by many other manufacturers. We spend a lot of time with the Pico on this one but dont forget the other basic checks I discuss including the spark output power balance and moving a suspected bad coil to another cylinder. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P0304) - misfire Fix - replace the #4 ignition coil Tests shown - how"  
[YouTube Link](https://youtube.com/watch?v=Nq-54h7z9uU)  2013-01-20T08:26Z 470K followers, 259.6K engagements


"Weak Spark/RPM Drop Test waste spark design #misfire #ignitioncoil #rpmdrop We are doing two things here: [--]. listening for RPM drops to ID the misfiring cylinder [--]. looking at the strength of each coil"  
[YouTube Link](https://youtube.com/watch?v=O1Opb-XAa2w)  2024-03-07T14:18Z 469K followers, 85.9K engagements


"GDI Misfire "Comeback" What Did We Miss [----] Ford 1.6L Ecoboost that is back with a misfire. This engine had [--] new injectors and a high pressure pump installed about [--] months ago. "Stuck Open Fuel Injectors (GDI) Part [--] (symptoms and troubleshooting)" https://youtu.be/NBqkJG500yk "Stuck Open Fuel Injectors (GDI) Part [--] (cause and fix)" https://youtu.be/XlM0rgio4U4 TOPDON SCAN TOOL: Topdon has also offered 10% of the purchase price to be donated to the St. Jude Children's Research Hospital using promo code "Danner" when you make the purchase through the Topdon digital store. I will make no"  
[YouTube Link](https://youtube.com/watch?v=OozVxcVD3jM)  2021-12-11T17:00Z 474K followers, 128.1K engagements


"Bank [--] Rich Bank [--] Lean The Real Cause Revealed Remember those opposite fuel trims Bank [--] negative Bank [--] positive I thought the injector test had the answer but it was actually hiding the real problem. The full breakdown drops tomorrow dont miss the final part 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for"  
[YouTube Link](https://youtube.com/watch?v=OpfFywuqf3A)  2025-11-07T22:29Z 477K followers, 13.7K engagements


"AES LineSPI DLC 16-pin breakout box Here is my affiliate link to purchase this LineSPI and many other diagnostic tools. (all proceeds are donated to an SD/AES tool grant) https://www.aeswave.com/scannerdanner Link for this full case study: https://www.scannerdanner.com/scannerdanner-premium-chapters/no-communication-network-diagnostics/851-2021-tacoma-no-start-no-com-with-ecm-auction-purchase.html For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more"  
[YouTube Link](https://youtube.com/watch?v=OrWa7v14mns)  2024-10-02T21:29Z 468K followers, 12.9K engagements


"Ford O2 Sensor Testing - wiring tests (no bias voltage) During this case study I use this Ford as an opportunity to cover my O2 sensor circuit integrity test in great depth. I not only explain its value during diagnostics but also try to address any concerns or questions you may have as far as any potential to harm a computer. We also get to see the interesting backup strategy employed by Ford for O2 sensor issues and how this can potentially mislead you if youre not aware of it. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P1000 P1131) Fix - replaced the bank 1"  
[YouTube Link](https://youtube.com/watch?v=PYFQ3Y4eFWY)  2013-03-20T10:54Z 466K followers, 267.6K engagements


"How to test an electric fuel pump - using a test light [----] GMC [----] 8.1L engine with no fuel pressure. In this video I am showing how to test the fuel pump electrical circuit using a test light and scan tool. Engine Performance Diagnostics chapter [--] Symptoms - no start - no fuel pressure Fix - replace faulty fuel pump Tests shown - how to measure fuel pressure - how to test the fuel pump relay - how to test for proper power and ground to a fuel pump - how to test the transfer pump - how to test for a proper ground on your test light - how to command a fuel pump relay to turn on with a scan"  
[YouTube Link](https://youtube.com/watch?v=Q3ZiTsKCdO8)  2012-02-03T22:18Z 472K followers, 1.3M engagements


"An SD Premium lesson on Bias Voltage This is a clip from a [--] part series we recently completed on ScannerDanner Premium titled "Circuit ID and Integrity Testing (2020 Edition)" To watch the rest of this class sign up for the [--] day free trial we offer right here https://www.scannerdanner.com/join-scannerdanner-premium.html Thank you and I hope to see you there ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at"  
[YouTube Link](https://youtube.com/watch?v=Q8ZwxJYkYnc)  2021-07-03T16:59Z 470K followers, 92.9K engagements


"MAF Sensor with a Bad Ground #dontbeapartschanger Just because you have a code for a particular sensor does not mean that sensor is bad Learn your fundamentals and stop replacing parts based on a code"  
[YouTube Link](https://youtube.com/watch?v=QR-TRlEugIo)  2024-04-04T13:56Z 473K followers, 11.5K engagements


"Operation and testing of a Honda main relay (PGM-FI) - an SD Premium video Following up my previous case study on a [----] Honda Accord https://youtu.be/6CMZ4g8n0FQ I discuss in detail the operation of a Honda PGM-FI main relay with my class at Rosedale Tech. We get to go into detail about design characteristics relay operation and control and some unique features in this relay that might be difficult to understand. Once you watch and understand this material youll have no problem diagnosing these relays and related circuits Engine Performance Diagnostics chapter [--] Topics discussed -"  
[YouTube Link](https://youtube.com/watch?v=QVxOQTSPyGY)  2013-06-06T04:50Z 471K followers, 143.8K engagements


"When righty tighty becomes righty loosey. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case"  
[YouTube Link](https://youtube.com/watch?v=Qjp05iA_j-w)  2025-10-29T20:35Z 477K followers, 14.5K engagements


"Injector Balance Testing Timer Tool vs Picoscope Clip from upcoming video Full video coming out 11-1-25 at 12:00 EST I was shocked by what we found 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"  
[YouTube Link](https://youtube.com/watch?v=QuJDRNuFvS0)  2025-10-30T23:06Z 477K followers, 11.4K engagements


"No Spark Troubleshooting Mopar Electronic Ignition with Ballast Resistor This is a vintage ignition system but we are going to apply the same processes we use today to troubleshoot a no spark conditions on this system. All you need is a simple test light to follow along The truck being used is a [----] Dodge Power Wagon W150 Control Testing Ignition Coils: No Spark Diagnostics "Control Testing" Part [--] an ScannerDanner Premium video https://youtu.be/7nHbctRwyys No Spark Diagnostics "Control Testing" Part [--] an ScannerDanner Premium video https://youtu.be/9U942uGTZf0 00:00 intro 00:47 what system"  
[YouTube Link](https://youtube.com/watch?v=RiC8OaSXMs8)  2022-11-26T16:33Z 468K followers, 113.2K engagements


"Opposite Fuel Trims: Bank [--] Negative Bank [--] Positive Final Part [--] https://youtu.be/J4-5eAsbgCw Part [--] https://youtu.be/iguLgNhavAs #picoscope #wps500 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1"  
[YouTube Link](https://youtube.com/watch?v=RuCDEpLZH0g)  2025-11-08T17:00Z 477K followers, [----] engagements


"Weak Spark Test C.O.P. Ignition Coil The spark color is not the answer. The distance it can jump is Most coils can jump a [--] inch gap. At the very least it should jump a half inch"  
[YouTube Link](https://youtube.com/watch?v=Rvp34rtAoKU)  2024-02-21T15:01Z 469K followers, 20.4K engagements


"Initial Tune & First Start with Holley Terminator X (483 Stroker) This video covers the first start and initial tune using Holley Terminator X on a fresh [---] stroker. Just the real-world decisions that matter when an engine fires for the first time. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level"  
[YouTube Link](https://youtube.com/watch?v=S2h04H-nmlA)  2025-12-13T17:55Z 477K followers, [----] engagements


"System Too Rich P0172 P0175 from a blown O2 heater fuse (Jeep) This video applies to Chrysler Dodge and Jeep systems. O2 sensor and O2 heater circuit problems may cause the computer to lean out the air-fuel ratio excessively causing the vehicle to have low power and not accelerate. However it will run good cold and at wide open throttle. Engine Performance Diagnostics Chapter [--] pages 11-22 Symptoms - low power - runs good cold and at wide open throttle - hesitation on acceleration - rough idle - check engine light with O2 sensor heater codes Fix - replace blown fuse for the O2 heater Tests"  
[YouTube Link](https://youtube.com/watch?v=SEuGtggZAvo)  2011-11-05T16:57Z 469K followers, 123.9K engagements


"How to test a fuel gauge (tank sending unit) P0463 - GM P0463 Fuel Level Sensor Circuit Signal High/Open trouble code. In this video I will show you how to test a fuel tank sending unit (float). Typically the spring loaded fingers that ride on the resistor in the tank will break off ruining the sending unit. The only fix is to replace the float as an assembly or try to piece a new resistor assembly into the existing sending unit. The electrical design of the fuel tank sending unit that GM uses is identical in operation and testing as a temperature sensor. The difference is in what changes the"  
[YouTube Link](https://youtube.com/watch?v=SIR-quUzZwY)  2012-02-16T20:19Z 468K followers, 259.2K engagements


"Transistor Drivers and Output Solenoids Circuit ID Testing Over [---] training videos now on my website with new uploads every month This clip was taken from my SDP [---] playlist: SDP Day [--] Part [--] - Continued Circuit ID Energizing Outputs Jumper wire/t-pin warnings Live testing https://scannerdanner.com/scannerdanner-premium-chapters/new-series/665-sdp-day-10-part-2-continued-circuit-id-energizing-outputs-jumper-wire-t-pin-warnings-live-testing.html 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉"  
[YouTube Link](https://youtube.com/watch?v=SfjJ6FR2Tjc)  2025-12-20T16:00Z 477K followers, 24.1K engagements


"How to test a cam or crank sensor with a voltmeter - hall effect type - (Quick Tips) Power ground and signal testing is shown in this video and can be applied to ALL hall effect type sensors. Understanding that a digital voltmeter will only show an average reading of fast changing signals is the key to understanding how to test these types of sensors without a lab scope. Here are the original videos (2) this quick tip video was pulled from https://youtu.be/yp_kK6U8a64 https://youtu.be/irHVjFTq4LE ScannerDanner Tools: https://www.scannerdanner.com/tools.html"  
[YouTube Link](https://youtube.com/watch?v=TXKf96wqaoU)  2020-04-24T23:16Z 467K followers, 219.9K engagements


"Why Techs Avoid Diagnostic Jobs In our field a tech would rather grab that brake job and state inspection ticket over that check engine light because the tech is not being compensated enough It should NOT be this way The electrical and electronics tech in a shop should be compansated for ALL of their time and garages should be charging accordingly for it. BUT here is the key This particular tech I am speaking of is 98-99% accurate on ALL of their calls. That's misdiagnosing one or two out of every [---] cars they see. Find a tech like this and they are worth their weight in gold and a shop"  
[YouTube Link](https://youtube.com/watch?v=TzscpQWfFao)  2023-02-14T21:02Z 470K followers, 57.1K engagements


"Ford EEC IV No Spark Diagnostics Class - Part [--] This will be a [--] part series and even though this is an older system the techniques being taught in this class apply to ALL ignition systems Even on today's cars. #ScannerDannerPremium #onlinetechniciantraining ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY"  
[YouTube Link](https://youtube.com/watch?v=V74koldoSCc)  2023-07-28T22:00Z 467K followers, 21.2K engagements


"How to test an igniter on a Toyota/Lexus The procedures shown in this video will help you isolate the cause of a no start no spark condition on a Toyota or Lexus system that uses an igniter built separately from the ignition coil. On [--] and [--] wire coil over plug systems the igniter is actually built into the ignition coil. Similar procedures can be performed on those designs as well. With any no spark condition you need to determine if you have an input or output problem. If you can simulate the signals the engine computer uses to control the igniter you can troubleshoot the problem area very"  
[YouTube Link](https://youtube.com/watch?v=VG3EZJlyjl8)  2011-08-09T19:04Z 468K followers, 270.6K engagements


"2013 Chevy Impala No Start - Ignition Relay Low Voltage Codes (P1682 P0689) In this video I will walk you through testing the ignition engine and main relays and how to determine if the fuse box or power distribution box is faulty. Here is the link to Mitchel [--] DIY mentioned in the video https://eautorepair.adtrk.biz/a=10817&c=24&p=r&s1= ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an"  
[YouTube Link](https://youtube.com/watch?v=Va-Ku_Njn18)  2020-05-16T16:00Z 466K followers, 86.6K engagements


"They've Been Dealing With This For [--] YEARS - Is It Fixed Link to part [--] - https://youtu.be/ult80UQVJwU Link to part [--] - https://youtu.be/gPT_E84zYNg 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"  
[YouTube Link](https://youtube.com/watch?v=VesAgQui2fA)  2025-12-06T16:47Z 477K followers, 11.4K engagements


"How to perform a compression test with a scope (Verus-Vantage) Relative compression test using the Snap-On Verus. You do not need a Snap-on scope to do these tests. The same procedure can be followed using any Lab Scope. Testing procedures shown: - how to use starter current to determine cylinder compression - how to synchronize the starter current pattern with an ignition firing event to determine exact cylinder location Tools used: - Lab Scope - Low amp probe - High amp probe (preferred) - Secondary Ignition Pick-up Related Videos: - How to perform a compression test with a scope"  
[YouTube Link](https://youtube.com/watch?v=WKdZsWU2ZmI)  2011-08-04T04:47Z 473K followers, 213.3K engagements


"350 mA Parasitic Draw This Shouldnt Be Hot This clip is one diagnostic clue. The full process is in the full video. #parasiticdraw #automotivediagnostics"  
[YouTube Link](https://youtube.com/watch?v=Yh2v7afP1VM)  2026-01-05T18:00Z 477K followers, [----] engagements


"They've been dealing with this for [--] years 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case"  
[YouTube Link](https://youtube.com/watch?v=YmZ0vbq_Esg)  2025-11-21T21:49Z 477K followers, 15.3K engagements


"Fuel pump electrical circuit diagnosis (no fuel pressure testing) GM [----] Chevy Astro [--] 3L The procedures shown in this video can be applied to a wide variety of GM vehicles over many different model years that are using a distributor type ignition system. I will be showing the following: [--]. How to test for a fuel pump prime [--]. How to test for spark [--]. How to test for a distributor reference signal (RPM input) [--]. How to bypass the ignition module [--]. How to trigger the ECM to fire the injectors and run the fuel pump [--]. How to test a fuel pump relay For more information on this topic I have"  
[YouTube Link](https://youtube.com/watch?v=ZgNY3ZpjSsU)  2015-12-23T07:48Z 471K followers, 557.3K engagements


"MAF Sensor Testing- What REALLY Matters Join us in the classroom for this quick lecture on Mass Airflow Sensors. This is a portion of a full length lecture from my book. For more lectures and additional case studies join us over at ScannerDanner Premium We have a [--] day free trial https://www.scannerdanner.com/join-scannerdanner-premium.html ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as"  
[YouTube Link](https://youtube.com/watch?v=Zsso-rNd4zQ)  2022-11-05T16:00Z 468K followers, 60K engagements


"Why am I not getting shocked by this ignition coil #automotivediagnostics Full video linked in this short but just in case you missed it here is the link https://youtu.be/1e2OOykM8t8si=wCKqWsPPbZqJWhPe"  
[YouTube Link](https://youtube.com/watch?v=_ZwrExSxtm8)  2025-05-25T13:25Z 469K followers, 29.7K engagements


"Troubleshooting a Bad TCM - CAN and Sensor Ground Circuit Problems What happens to CAN signals on the entire network when one module has a bad ground Can this problem be missed if the network is not measured a certain way How do you isolate which module is causing the problem When main grounds test good on the affected module can testing a sensor ground or the 5v ref circuit aid in your diagnosis Watch this video to answer these questions symptoms: No communication with transmission control module causing a no crank no start condition. Related video: Sensor grounds and the 5v reference"  
[YouTube Link](https://youtube.com/watch?v=awO1uppI0ck)  2022-08-13T16:00Z 471K followers, 203.9K engagements


"Ignition Coil Firing Continuously with Key On Here is the full video https://youtu.be/qjqRt2-wItQsi=WWwugeE-L7UU0Hxs"  
[YouTube Link](https://youtube.com/watch?v=bnZ7i0rhCs4)  2024-03-15T13:52Z 469K followers, 19.8K engagements


"Old Examples. Modern Diagnostics The cars change but the principles dont. In this clip I break down an older Ford Taurus case study to show how the same fundamentals apply to modern vehicles including a [----] Toyota with a $2000 engine computer. Before replacing expensive modules its critical to check powers grounds the 5V reference circuit and communication signals first. If you want to be $2000 confident in your diagnostic calls this fundamentals-first approach is exactly what I teach in my classes. 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"  
[YouTube Link](https://youtube.com/watch?v=cg4suJ9jvoc)  2025-12-24T14:29Z 477K followers, [----] engagements


"How to test an O2 sensor for accuracy #techtraining The best way to force an air/fuel mixture lean is using the decel fuel cut mode. This test was primarily used in this case study to gauge the function of the upstream wideband oxygen sensor"  
[YouTube Link](https://youtube.com/watch?v=d-qcIGuhY10)  2023-12-06T15:21Z 466K followers, 11.1K engagements


"AF Ratio and O2 Sensors Determining Rich and Lean Signals #oxygensensor #autotech #automobile Link to full length video https://youtu.be/J4-5eAsbgCw 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"  
[YouTube Link](https://youtube.com/watch?v=dktFUv6sXB0)  2025-10-24T16:02Z 468K followers, 11.1K engagements


"Alternator Rotor Field Testing (Bad Brush Contact) #mopar #alternator #voltageregulator Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=eV99w45zgEE)  2025-10-23T13:38Z 466K followers, 14K engagements


"Interested in learning more about scopes and scan tool usage Check out www.scannerdanner.com 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth"  
[YouTube Link](https://youtube.com/watch?v=ecL5gO6VoqI)  2025-12-11T15:34Z 477K followers, 10.6K engagements


"Teaching "Dangerous Methods" Part of a class I taught on Output Solenoids and Transistor Drivers. (chapter [--] in my book) Sign up for more at https://www.scannerdanner.com/join-scannerdanner-premium.html"  
[YouTube Link](https://youtube.com/watch?v=fdhSZq2VLcw)  2025-12-22T17:08Z 477K followers, 11K engagements


"They've Been Dealing With This For [--] YEARS.Part [--] Link to part [--] https://youtu.be/ult80UQVJwU 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth"  
[YouTube Link](https://youtube.com/watch?v=gPT_E84zYNg)  2025-11-29T17:01Z 477K followers, 17.1K engagements


"We made the call. But was it right Full follow-up drops tomorrow"  
[YouTube Link](https://youtube.com/watch?v=gdJQMG87JY4)  2025-12-05T18:40Z 477K followers, [----] engagements


"Opposite Fuel Trims: Bank [--] Negative Bank [--] Positive Part [--] The Picoscope and Pressure Transducer used in the fuel rail to gauge injector pressure drops reigned supreme in this video @PicoScopeAutomotive @picotech 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for"  
[YouTube Link](https://youtube.com/watch?v=iguLgNhavAs)  2025-11-01T16:00Z 477K followers, 14.4K engagements


"Intermittent Stall Rough Idle Hard Starts [----] Chevy Trax 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"  
[YouTube Link](https://youtube.com/watch?v=itcifPviwJE)  2025-09-20T14:43Z 468K followers, 14.8K engagements


"How to test a fuel injector circuit with basic tools (open control wire) This is an open circuit test procedure using a test light and a voltmeter. Just some simple tools and knowledge of the circuit is needed. Also the procedures shown in this video can be applied to ANY ground side switched circuit. This video was taken from a [--] part training series I did for my students on various ways to identify a misfire and restricted exhaust testing. You can find this [--] part series here https://www.scannerdanner.com/scannerdanner-premium-chapters/misfire-case-studies.html For more information on this"  
[YouTube Link](https://youtube.com/watch?v=kQUtAs-VrDY)  2015-07-26T00:56Z 471K followers, 742.5K engagements


"Testing A Starter Circuit Test Light vs Voltmeter #uActivate No crank diagnostic fundamentals. Starter Motor Testing. #uActivate Interested in the ground extension block I used Reach out to my friend Joe Caci at Joesautoelectric.net ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car"  
[YouTube Link](https://youtube.com/watch?v=koSnoZMBQss)  2025-03-22T16:41Z 469K followers, 44.2K engagements


"Throwing Parts at a Problem Can Create MORE Problems You can join my classes online here: https://www.scannerdanner.com/join-scannerdanner-premium.html $11 a month gives you access to over [---] videos and counting (over [---] hours of training material)"  
[YouTube Link](https://youtube.com/watch?v=l0bjhoUcDAw)  2024-08-06T11:36Z 466K followers, [----] engagements


"How Would You Charge For This Intermittent Lean Condition ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=lRZW7flH0wo)  2025-02-18T21:22Z 444K followers, [----] engagements


"Ford EEC-IV No Spark Diagnostics In this video I will walk you through a no-spark diagnosis on this old school EEC-IV ignition system but don't let the age of the truck lead you to believe that the tests shown are no longer relevant. The techniques I use on the system I am still using on todays cars ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more"  
[YouTube Link](https://youtube.com/watch?v=llYFDC5-sa0)  2021-11-06T00:41Z 474K followers, 139.5K engagements


"The Injector Test That Fooled Me Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my"  
[YouTube Link](https://youtube.com/watch?v=lpWNcbgRLVA)  2025-11-05T22:44Z 477K followers, 19.8K engagements


"What does it take to call a bad ecm This clip was from our latest case study/class on showing all of the tests necessary to call a bad ECM. Sign up for the free trial we offer on my website at scannerdanner.com ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become"  
[YouTube Link](https://youtube.com/watch?v=nFXZFy6VFg0)  2024-05-27T20:50Z 468K followers, 21.9K engagements


"A/C Clutch Does Not Engage-Diagnostic Fundamentals (full charge) The procedures shown in this video can be applied to any A/C system that has a full system charge but the A/C clutch is not engaging. (2008 Mazda 3) Interested in any tools that I am using See links below:"  
[YouTube Link](https://youtube.com/watch?v=oUAdikdm-v8)  2019-08-13T15:18Z 466K followers, 584.2K engagements


"Using the O2 Sensor at Wide Open Throttle to Determine Fuel Delivery known good This is the main test I use for direction with a low power condition. If your O2 sensor drops lean during this test you have a fuel delivery issue (low fuel psi and MAF issues are most common)"  
[YouTube Link](https://youtube.com/watch?v=ogFptuWs4Ag)  2024-03-24T00:19Z 467K followers, [----] engagements


"Testing CAM-CRANK Sensor Relationship on a Picoscope This test is useful to help identify a jumped timing chain or belt. In this video I cover: How to connect the scope set up time base and sample rate inductive vs hall effect differences and saving waveforms to share with others. Related videos: Picoscope Basics Part [--] https://www.youtube.com/watchv=81AGbZcgCZs Picoscope Basics Part [--] https://www.youtube.com/watchv=ntJJYhkmR4I For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper"  
[YouTube Link](https://youtube.com/watch?v=ogfStIqiONk)  2018-02-19T17:55Z 468K followers, 117.1K engagements


"Honda Accord GDI Running Rich P0172 #shorts From our latest case study on SD Premium https://www.scannerdanner.com/join-scannerdanner-premium.html ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to"  
[YouTube Link](https://youtube.com/watch?v=p4eckmS6vqc)  2022-10-06T13:54Z 472K followers, 26.6K engagements


"Shorted Ignition Coil Primary Winding DON"T LET THIS FOOL YOU So many people do not understand how simple it is to verify ignition coil control and instead choose to swap out a coil to see if that fixes their no spark issue. Learn these testing methods and you will never have to waste money again ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more"  
[YouTube Link](https://youtube.com/watch?v=p68w9CJG00g)  2025-01-25T19:56Z 469K followers, 24.4K engagements


"Quick test for a bad head gasket (HCs in the cooling system) 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"  
[YouTube Link](https://youtube.com/watch?v=pcYC5wAA3RY)  2025-10-28T16:21Z 477K followers, 14.7K engagements


"96 Jeep No Start No Com with PCM No 5v reference (Quick Tips) No start no communication with the engine computer no 5v reference fundamental testing methods that apply to ALL cars ALL makes and ALL models. Here is the original series this video was pulled from it was a [--] minute case study that we cut down to [--] with some updates for the last [--] minutes giving us 19:34 for this quick tip video. [----] Jeep No Start Case Study Part [--] https://youtu.be/a-d6-jrGidA [----] Jeep No Start Case Study Part [--] https://youtu.be/jLwNcgtv9z0 [----] Jeep No Start Case Study Part [--] https://youtu.be/dCZdv-FYwxw Here"  
[YouTube Link](https://youtube.com/watch?v=pwuYVlCZNBI)  2020-05-01T16:00Z 470K followers, 225.2K engagements


"This Car is Kicking my A** When we are in the trenches and feeling defeated we have to remember that it is these moments that stretch us and grow us the most"  
[YouTube Link](https://youtube.com/watch?v=r13rgg3xX3g)  2025-10-29T11:39Z 477K followers, 13.1K engagements


"Why is the injector shutting off #misfire #mechanic Is the injector not firing causing the misfire Or is there a misfire causing the ECM to shut down the injector to protect the cat"  
[YouTube Link](https://youtube.com/watch?v=r5LE3EwjtP8)  2025-03-07T12:51Z 474K followers, [----] engagements


"A/C Compressor Clutch Circuit Testing All Cars + Recharge [----] Ford F-150 5.0L A/C System Clutch Circuit Testing Electrical Repair and Recharge (topping off a slightly low system using gauge pressures as a guide) 00:00 - intro 00:16 - system pressure test 00:55 - full code scan of all modules 01:12 - Engine Computer Air Conditioning Request Input Test 02:10 - bi-directional test with scan tool 03:07 - A/C clutch tap test 03:54 - testing of the circuit at the A/C relay begins 05:11 - need highlight changed 05:55 - testing the ECM driver 06:32 - continuity test for the clutch (open found) 10:25"  
[YouTube Link](https://youtube.com/watch?v=sBueOct0qXY)  2025-08-16T16:35Z 466K followers, 15.4K engagements


"No Start Testing Basics - Spark Injector Pulse and Fuel Pressure (Hyundai Santa Fe) The procedures shown in this video can be applied to all cars First we test for spark then injector pulse before finally focusing on the fuel pump and related circuitry. The vehicle being tested is a [----] Hyundai Santa Fe 2.7L Related videos Testing CAM-CRANK Sensor Relationship on a Picoscope https://youtu.be/ogfStIqiONk - How to test fuel pressure injector pulse and spark with basic tools - Honda https://www.youtube.com/watchv=SUxagOAVS5M - Symptoms and Causes of Low Fuel Pressure (Part 1)"  
[YouTube Link](https://youtube.com/watch?v=sq0HLREinNU)  2018-01-20T16:35Z 469K followers, 402.2K engagements


"Something Is Very Wrong Here This O2 heater circuit just pulled a massive amount of current. That shouldnt happen and its dangerous for ECU drivers. engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair"  
[YouTube Link](https://youtube.com/watch?v=ssHttKBDgiM)  2026-01-14T15:49Z 477K followers, 17.4K engagements


"2014 Hyundai Elantra Intermittent Stalling P0335 Crankshaft Position Sensor "A" Circuit Symptoms : Stalling when coming to stops tachometer quits working long or extended crank time after stall engine runs fine while accelerating. Some engine design (like this one) will continue to run without the crank signal while other designs will not. Typical symptoms of a faulty crankshaft position sensor would be a no start. This video may be used as a guide for how to test an inductive type cam or crank sensor. Other names applied to this type of input: Variable Reluctance Sensor Magnetic Pulse"  
[YouTube Link](https://youtube.com/watch?v=t3_9sz-og1M)  2018-03-01T14:10Z 469K followers, 164.3K engagements


"Coil vs. Plug: What Failed Proven Diagnostic Test Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures"  
[YouTube Link](https://youtube.com/watch?v=uAIRx1Qx5ag)  2025-12-02T21:49Z 477K followers, 12.9K engagements


"No Spark Testing - Shorted Ignition Coil Here is the link to the video mentioned https://youtu.be/-4gXrLgUrUE ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to"  
[YouTube Link](https://youtube.com/watch?v=uDLGE8kDb5s)  2025-03-29T15:38Z 469K followers, 13.9K engagements


"They've Been Dealing With This For [--] YEARS. Link to part [--] https://youtu.be/gPT_E84zYNg 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom"  
[YouTube Link](https://youtube.com/watch?v=ult80UQVJwU)  2025-11-22T16:27Z 477K followers, 28.7K engagements


"How to troubleshoot/bypass a GM VATS Passlock Passkey System In this video I will show you how to troubleshoot and repair or bypass if you wish a GM anti-theft system that has a resistor "pellet" in the key. Dashboard messages "Theft System Problem" "Car may not restart" "Starting Disabled Due To Theft System" Tools used - Milwaukee 2456-20 M12 1/4 Ratchet tool Only (Substitute to what I used) http://amzn.to/2fvrLiN - Milwaukee 48-11-2401 (2) M12 RED LITHIUM [---] 12-Volt Lithium-ion Cordless Battery and (1) 48-59-2401 12Volt Lithium Battery Charger NEW http://amzn.to/2fsEBv7 - uTest Advanced"  
[YouTube Link](https://youtube.com/watch?v=v0AIhj_vykU)  2017-07-11T10:00Z 466K followers, 259.5K engagements


"Comeback (misfire after injectors an HPFP replacement) #gdi #misfire [----] Ford 1.6L Ecoboost that is back with a misfire. This engine had [--] new injectors and a high pressure pump installed about [--] months ago. "Stuck Open Fuel Injectors (GDI) Part [--] (symptoms and troubleshooting)" https://youtu.be/NBqkJG500yk "Stuck Open Fuel Injectors (GDI) Part [--] (cause and fix)" https://youtu.be/XlM0rgio4U4 "GDI Misfire "Comeback" What Did We Miss" https://youtu.be/OozVxcVD3jM"  
[YouTube Link](https://youtube.com/watch?v=vewL7ahBdIY)  2025-04-11T22:30Z 466K followers, 13.5K engagements


"Diagnosing a Ford [---] Cam Timing Issue Before You Tear It Down This vehicle (2013 Lincoln Navigator 5.4L) came in with a P0017 cam/crank correlation fault and nearly [--] of cam advance at idle on one bank with misfires showing up on the opposite bank. At first glance this looks like a straightforward timing chain / phaser job. But making that call without proving whats actually wrong is how techs get buried in expensive mistakes. In this video we slow the process down and focus on decision-making before teardown. In this case study youll see: - How scan data can point you in the right"  
[YouTube Link](https://youtube.com/watch?v=xHDF1Betkf0)  2026-01-24T17:59Z 477K followers, 11.4K engagements


"Misfire Diagnostics with a uScope #ignitioncoil #misfire #sparkplug #aeswave #uscope #mechanic"  
[YouTube Link](https://youtube.com/watch?v=xTgh2h-1pXc)  2024-02-02T12:34Z 469K followers, 13.1K engagements


"Snow vs. Ignition Coils: My Most Unorthodox Diagnosis Yet 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"  
[YouTube Link](https://youtube.com/watch?v=xeaV2OcFWiQ)  2025-11-28T14:31Z 477K followers, 23.7K engagements


"Negative Fuel Trim Bank [--] - Positive Fuel Trim Bank [--] Do you trust your process Can you eliminate possibilities along the way with solid testing procedures This clip for our recent SD Premium series covers exhaust backpressure testing and head gasket testing. Full video this clip was pulled from: Ford F-150 - Negative Fuel Trim on One Bank Part [--] https://www.scannerdanner.com/scannerdanner-premium-chapters/chapter-18-fuel-injector-testing/888-ford-f-150-negative-fuel-trim-on-one-side-part-1.html Ford F-150 - Negative Fuel Trim on One Bank Part 2"  
[YouTube Link](https://youtube.com/watch?v=xvPa5zaD2Y8)  2025-01-04T17:00Z 469K followers, 19.3K engagements


"How to test a crank sensor with a voltmeter The tests shown in this video apply to camshaft crankshaft and vehicle speed sensors on ALL Chrysler models in all production years. The vehicle being tested is a [----] Jeep with a 4.0L engine. Chrysler has changed very little in regards to their hall effect sensors throughout the years. Older systems used an 8-9v reference circuit (power supply) where the newer systems use 5v. And with all of them the signal circuit is a 5v pull-down design. Engine Performance Diagnostics chapter [--] pages 20-29 Tests shown - how to check a crank sensor with a"  
[YouTube Link](https://youtube.com/watch?v=yp_kK6U8a64)  2011-10-18T04:35Z 468K followers, 615.7K engagements


"2002 Chevy Cavalier No Start (a direction based approach) In this video I will show you how to use simple fast testing methods to determine diagnostic direction with a no start condition. All tests shown can be applied to any vehicle aside from the GM Type [--] ignition coil test. While Snap-On diagnostic tools were used in the video any basic code scanner and multimeter could be used with the same results. Engine Performance Diagnostics chapters [--] [--] and [--] Symptoms - crank no start - no check engine light operation - no communication Tests shown - how to use a scan tool to check for PCM"  
[YouTube Link](https://youtube.com/watch?v=z5DpsRwHTfo)  2012-08-16T04:29Z 467K followers, 349.2K engagements


"How to find a shorted ignition coil with a lab scope (Quick Tips) Here is the original video from 2011: How to find a shorted coil on a Ford [---] engine (misfire diagnosis) https://youtu.be/6kvYjYT1_mM ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto"  
[YouTube Link](https://youtube.com/watch?v=-4gXrLgUrUE)  2020-10-07T01:59Z 457K followers, 36.4K engagements


"99 Honda Civic No Spark Diagnosis with a Test Light I will show you how to troubleshoot the entire ignition system including cam and crank signals ECU to igniter control and igniter to ignition coil control using a simple test light. A follow up test will be done with a small single channel lab scope showing yet another way to verify the same condition. Engine Performance Diagnostics chapter [--] Symptoms - no start Fix - replace faulty ignition coil Tests shown - how to test for spark and injector pulse with an incandescent test light - using injector pulse as a guide for good cam and crank"  
[YouTube Link](https://youtube.com/watch?v=-ZGLoSSowYY)  2016-09-23T10:43Z 463K followers, 278.4K engagements


"No crank no start diagnosis (bad block ground) - Ford SHO How to troubleshoot a bad engine block ground with just a simple test light. The key with this type of troubleshooting is in understanding how to "load the circuit" which in this case is achieved by holding the key in the crank position. Engine Performance Diagnostics chapter [--] Symptoms - no crank starter does not engage - various dash lights flickering on and off Fix - relocate engine ground to the block Tests shown - how to "load the engine block" - how to test for a bad battery cable - how to test the engine block ground circuit"  
[YouTube Link](https://youtube.com/watch?v=-fyKizH_oQ8)  2016-07-29T10:00Z 465K followers, 206.8K engagements


"Using Fuel Trim After a Repair. Did you fix it 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive"  
[YouTube Link](https://youtube.com/watch?v=-nZuakI1tyY)  2025-09-24T22:33Z 465K followers, [----] engagements


"Oxygen Sensor Testing with a Voltmeter False or Actual Lean Signal Testing the oxygen sensor. Is it lying to me False Lean or Actual Lean signal"  
[YouTube Link](https://youtube.com/watch?v=009rrjnd_p0)  2024-06-23T12:56Z 420K followers, 10.6K engagements


"Bad Engine Computer or Open Control Wire Ground Side Switched Circuit [----] Mazda [--] No Communication With PCM No Start No Crank (full video link https://youtu.be/UC3tvlHvm8k)"  
[YouTube Link](https://youtube.com/watch?v=04GZidopQw4)  2024-03-31T12:21Z 414K followers, 23K engagements


"Oxygen sensor operation and testing (preview from ScannerDanner Premium) This is a preview I put together of my Chapter [--] lectures available on ScannerDanner Premium. For anyone interested in joining my class at Rosedale Technical College but cannot be there in person Ive created this channel for you. There is a 14-day free trial period so you will have plenty of time to review the content before making any financial commitment. On SD Premium youll find daily lectures that go hand-in-hand with my book (Engine Performance Diagnostics) playlists that mirror my class format as well as exclusive"  
[YouTube Link](https://youtube.com/watch?v=09kEgkNiJMY)  2012-11-28T21:37Z 460K followers, 23.7K engagements


"EVAP vent solenoid wiring repair and testing P0449 A common problem with these EVAP vent valves is a broken wire inside of the insulation The wiring will look completely fine until you pull on the harness. In this video I will show you how to troubleshoot and repair this condition. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P0449 trouble code) Fix - repair broken wire to the EVAP vent solenoid Tests shown - how to repair a broken wire right at the connector - how to repair a wiring connector - how to test an EVAP vent solenoid (valve) - how to determine power and"  
[YouTube Link](https://youtube.com/watch?v=0OumX9covQc)  2017-01-03T13:45Z 459K followers, 152.6K engagements


"Voltage drop testing a parking light/turn signal circuit [----] Dodge Charger left front Parking Light/Turn Signals not working. In this video I will show you how to properly test for a voltage drop using just an incandescent test light. We will also be repairing the circuit and reviewing a diagram to explain the back-feed condition the car was having"  
[YouTube Link](https://youtube.com/watch?v=0ypTVheVJ8A)  2019-10-15T20:23Z 462K followers, 114.6K engagements


"No Start Basics - What Are We Missing [----] Hyundai Sonata [---] Intermittent no start. If it does start it idles fine and will die and not restart as soon as you touch the gas pedal. No trouble codes in memory. 00:00 - no start introduction 01:12 - using the tachometer as a guide 01:51 - external fuel source failed 03:09 - ignition coil control testing with a test light 06:03 - fuel injector pulse test 09:00 - wiring diagram of ignition coil circuit 09:44 - bidirectional test of ignition coils 11:15 - will I get shocked 13:40 - test-light control test failed me (or did it) 16:39 - external fuel"  
[YouTube Link](https://youtube.com/watch?v=1e2OOykM8t8)  2025-05-24T18:28Z 454K followers, 23.6K engagements


"Making a MOPAR Ballast Ignition System Fire on a Workbench This video is primarily for my friends @JAMSIONLINE for when they run my [---] Wedge on a stand during the break in process. This will also be extremally useful for anyone dealing with a no spark issue on their Chrysler Dodge or Plymouth (MOPAR) Ballast Ignition Systems - Here are some important links for this series so far: [--]. Did The Previous Owner LIE About Rebuilding This MOPAR V8 https://youtu.be/oa5pT7qq5-gsi=5wrxg5uKQRYS7Gzt [--]. Wiped Cam Lobe/Lifter After [----] Miles https://youtu.be/t5ze5UBjplU - Here is the no spark video I"  
[YouTube Link](https://youtube.com/watch?v=1hWiqXFb-XM)  2023-12-23T18:55Z 403K followers, [----] engagements


"Understanding circuit design is key ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=3TX6cbiaGsc)  2024-04-12T14:40Z 413K followers, [----] engagements


"Testing Ignition Coils and Fuel Injectors (Intentional Shutdown) [----] Jeep Patriot [---] P0302 Cylinder [--] Misfire. Testing for Spark fuel injection pulse and compression (cranking sound test). Even if you do not have a lab scope you will still benefit from watching this process of determining the cause of the misfiring cylinder. ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or"  
[YouTube Link](https://youtube.com/watch?v=3plr-FsLwCk)  2023-11-03T00:57Z 393K followers, 55.3K engagements


"Why you NEVER change a part based on a trouble code #automotive #troubleshooting Reading a trouble code and then changing a part based on that code is NOT a "diagnosis" We call people who do that "parts changers". DON'T BE A PARTS CHANGER"  
[YouTube Link](https://youtube.com/watch?v=4-BB_ydsoag)  2025-09-01T14:47Z 463K followers, 11.6K engagements


"MAP Sensor Code P0106 caused by a dirty throttle body In this video Ill show you how to use scan data and service information to diagnose a P0106 MAP/BARO Pressure Circuit Out of Range code on a [----] Chevrolet Trailblazer. Reading and understanding the code information as well as the Snap-On Troubleshooter were key in repairing this fault. I also demonstrate how to safely clean an electronic throttle body a very common feature on modern vehicles of all makes. This false MAP sensor trouble code caused by a dirty throttle body in not unique to the Trailblazer. I have also seen this problem with"  
[YouTube Link](https://youtube.com/watch?v=4C075DS2Ud4)  2012-08-30T02:31Z 455K followers, 281.3K engagements


"Bad Signal or Normal Electrical Noise (lab scope waveforms) ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"  
[YouTube Link](https://youtube.com/watch?v=4a2-Xh7kBxQ)  2023-10-15T19:34Z 397K followers, [----] engagements

Limited data mode. Full metrics available with subscription: lunarcrush.com/pricing

@scannerdanner Avatar @scannerdanner ScannerDanner

ScannerDanner posts on YouTube about diy, auto, systems, check the most. They currently have [-------] followers and [---] posts still getting attention that total [------] engagements in the last [--] hours.

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Social Influence

Social category influence automotive brands stocks finance technology brands social networks formula 1

Social topic influence diy #4034, auto, systems #315, check, light #610, l1 #35, tech #2369, electrical, engine, ford #2776

Top accounts mentioned or mentioned by @jamsionline @holleyperformance @rosedaletech @rosedaletechnicalcollege8131 @picoscopeautomotive @picotech @thejadedmechanic @changingtheindustry @diagnosingtheaftermarketatoz @automotivediagnosticpodcas8832 @carmcapriotto @topdonusa @snapondiagnostics @jamsionlineplaylist @scannerdannercom @humblemechanic @frugalprepper @sixstarauto

Top assets mentioned Toyota Motor Corporation (TM)

Top Social Posts

Top posts by engagements in the last [--] hours

"Sensor grounds and the 5v reference circuit (a [----] ScannerDanner Premium video) Sensor grounds and the 5v reference circuit (a [----] ScannerDanner Premium video) Some standard no start procedures that can be followed for any car. It is amazing that the principles we follow on this [----] Ford Taurus are the same ones we can follow on a [----] model from any manufacturer. This is a ScannerDanner Premium video from [----] and is being uploaded here to YouTube to help out a subscriber. ScannerDanner Premium is now available from my website here"
YouTube Link 2018-10-29T23:06Z 477K followers, 416.2K engagements

"A/C Leak Testing Using Compressed Air Soap and Water (any car) For those of you worried about using compressed air because of moisture. My question to you is what do you think is in a system that has a leak and all of the refrigerant is gone Atmospheric air and moisture This is a tried and proven test for me over the last [--] years and it is one that everyone can do. Who has a bottle of compressed nitrogen sitting around anyway especially when you only do a few A/C jobs a year. Tools used - A/C Manifold Gauge Set"
YouTube Link 2017-08-01T12:44Z 477K followers, 628.3K engagements

"This is Game Changer For Parasitic Drains A dead battery is the symptom not the diagnosis. In this video I walk through a real parasitic draw on my Silverado and explain why each test works what can mislead you and how to avoid false conclusions that cost time and batteries. This isnt about throwing parts or guessing its about understanding the process so you can apply it to the next vehicle. 🔧 Want to Go Deeper Than YouTube Structured diagnostics training: classroom lessons + real case studies. 👉 https://www.scannerdanner.com/join-scannerdanner-premium.html CHAPTERS 0:00 Battery dead"
YouTube Link 2026-01-03T15:43Z 477K followers, 139.2K engagements

"2010 Mazda [--] No Communication With PCM No Start No Crank No communication with the engine computer (PCM) multiple CAN bus trouble codes engine does not crank security light flashing. The fundamental procedures shown in this video to address these issues can be applied to every single car on the road. ScannerDanner tools pages -https://www.scannerdanner.com/tools.html -https://www.amazon.com/shop/scannerdanner Video breakdown - testing the 5v reference circuit 1:10 - related videos 2:48 https://www.youtube.com/watchv=za13UnpbH7E https://www.youtube.com/watchv=z5DpsRwHTfo"
YouTube Link 2018-05-02T14:04Z 477K followers, 346K engagements

"Ford EGR Flow Testing (P0401 P0402 P0405) The testing procedures shown in this video can be applied to any Ford Lincoln or Mercury that uses a vacuum controlled EGR valve combined with a Delta Pressure Feedback EGR sensor (DPFE). The vehicle being tested is a [----] Ford Expedition with a 5.4L engine. Engine Performance Diagnostics chapter [--] Symptoms : (typical) - Check engine light (P0401 Insufficient EGR flow or P0402 excessive EGR flow) - possible detonation or pre-ignition "pinging" complaints Fix: (common problems) - faulty DPFE sensor - restricted intake passage for the EGR valve (the"
YouTube Link 2011-04-22T06:49Z 477K followers, 687.6K engagements

"Using the O2 Sensor at WOT to Identify a Fuel Psi Problem This was pulled from a class I did with my students on a live problem car in the classroom @RosedaleTech"
YouTube Link 2024-03-05T13:32Z 475K followers, 10.8K engagements

"GM Fuel Pump Relay Testing The vehicle being tested is a [----] Chevy Suburban with no fuel pressure. This truck had a new fuel pump installed and still did not have fuel pressure. In this video I will show you how to troubleshoot this entire fuel pump electrical system including the fuel pump relay wiring and computer. Engine Performance Diagnostics chapter [--] page [--] Symptoms - no start with good spark - no fuel pressure - no trouble codes Fix - repair wiring to the fuel (new pump was wired backwards Tests shown - how to test a fuel pump relay in a power distribution box. - power side switched"
YouTube Link 2012-03-14T10:40Z 475K followers, 1.8M engagements

"Scope and Scan Tool Basics #automotivetechnician #automotivediagnostics #ScannerDannerPremium Join my online classes at www.scannerdanner.com ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get"
YouTube Link 2023-12-01T20:25Z 475K followers, 20.9K engagements

"No Spark Troubleshooting Is there Coil Control #automotivediagnostics This clip shows no coil control but here is one that does have coil control so you can see the difference. https://youtube.com/shorts/7ooRXnEufFI"
YouTube Link 2025-01-23T12:24Z 475K followers, 888.4K engagements

"Ford EEC-IV No Start No Fuel Pressure Troubleshooting (Lincoln Towncar) Description operation and testing of the EEC main power relay fuel pump relay and fuel pump circuit are covered in this video. Including engine computer inputs and what are needed to turn the pump on. Interested in any of the tools I used Check out my tools pages below: https://www.scannerdanner.com/tools.html (uActivate is listed here) https://www.amazon.com/shop/scannerdanner (test light and fuel psi gauges) Video breakdown: - using the check engine light as a guide 1:02 - fuel pressure test 3:20 - causes of no fuel"
YouTube Link 2018-04-08T00:06Z 475K followers, 211.2K engagements

"2018 Chevy Malibu P1101 P2138 Don't Always Rely On a TSB This video revolves primarily around identifying and cleaning a dirty throttle body. Related Videos: Dirty Throttle Body-Identification and Cleaning (my truck) https://youtu.be/RaTVuv6CHgUsi=mreagj6gf-1FYodu MAP Sensor Code P0106 caused by a dirty throttle body https://youtu.be/4C075DS2Ud4si=KY-_71D4F_-D1VYp [----] Chevy Malibu 2.0L P1101 Caused by a Dirty Throttle Body https://youtu.be/TyIxje20YzAsi=hmo17u8j87_nM2zi O2 Code Dirty Throttle Body (stalling problem) & Mechanic Incompetence https://youtu.be/F2gi5hRV3kgsi=sVLmEev5GYtUiHNb Time"
YouTube Link 2024-08-03T16:00Z 475K followers, 34.5K engagements

"Voltage Drop vs Resistance Testing (Flow Charts Suck) NEWS FLASH Ohmmeters will lie to you Between flow charts written with an ohmmeter as the tool of choice and then people telling me "you should have measured resistance on that circuit you are over-complicating things with your methods" I've seriously had enough Time for everyone to learn something. Watch close and never tell me again to use an ohmmeter in a case like this. Here is the original video on YouTube Poor running flashing CEL no codes (bad computer ground) - Toyota https://www.youtube.com/watchv=44dP6X3QS5A Here is the SD Premium"
YouTube Link 2019-06-28T17:28Z 477K followers, 72.9K engagements

"Voltage Drop Testing a Starter Motor (Quick Tips) This starter motor has a voltage drop problem on the main heavy battery cable that we identify with a test light. I will also show you how to recognize a bad starter or engine block ground as well as a voltage drop problem on the solenoid post. Starting Battery and Charging System Testing Playlist: https://youtube.com/playlistlist=PLAFYVCyenqcpZM-kQg5MUX0OvrIPSirz5 Here is the full length video this was pulled from https://youtu.be/_xvddRJmkAA ScannerDanner Tools: https://www.scannerdanner.com/tools.html"
YouTube Link 2022-05-25T14:16Z 477K followers, 107.6K engagements

"A/C Leak Testing Repair Evac and Recharge (ANY CAR) This A/C "class" will be worth sitting through for both the DIYer and the professional. Here is my A/C playlist https://youtube.com/playlistlist=PLAFYVCyenqco2yr65mNu24aiYT84-YBQy :55 where to start with any A/C problem 3:00 visual inspection what a leak looks like 5:40 type of refrigerant oil in a retrofitted system 8:08 how to tell if your A/C compressor is running 10:33 compressed air vs nitrogen to find a leak 14:00 locating a leak with soap/water 16:26 testing an A/C compressor without a refrigerant charge 18:50 pressure testing (max"
YouTube Link 2022-06-25T15:48Z 477K followers, 741.3K engagements

"Testing an O2 sensor/AF sensor for range and accuracy What a great case study for helping the student solidify their testing methods From verifying O2/AF Sensor range and accuracy to exhaust back pressure testing to testing for a failed head gasket. Also we find out why swaptronics can get you in trouble (nightmare type of stuff) We then we move onto misfire and injector flow testing both with a pico scope and psi transducer and compare those results to an injector balance test with a timer tool. All of that and then some is in this [--] parts series with both parts now available on SD Premium"
YouTube Link 2024-12-20T18:00Z 477K followers, 27.4K engagements

"Understanding Short Term and Long Term Fuel Trim (a SD Premium video) This is a ScannerDanner Premium video recorded during my class at Rosedale Technical College. The rest of this series on oxygen sensors and fuel trim can be found here. https://www.youtube.com/playlistlist=PLM4TD8VJ3gj_zwaGPvG3kqYPcQsd7iyze Engine Performance Diagnostics chapter [--] pages 7-19 Topics cover - purpose of short term and long term fuel trim - which fuel trim data is retained in memory - upstream and downstream oxygen sensors - purpose of bank control fuel trim - how to use fuel trim to identify type of lean"
YouTube Link 2012-04-01T10:19Z 477K followers, 550.9K engagements

"Low Voltage from a Bad Ground Voltage Drop Testing Fundamentals This Cadillac has a bad engine block ground that was causing all sorts of electrical issues. voltage drop test bad ground no crank starter test voltage drop test bad ground no crank starter test"
YouTube Link 2024-07-03T12:28Z 477K followers, 34.4K engagements

"Ford idle air control valve (IAC) test - stalling problems This video covers the symptoms and causes of a stalling problem as associated with an idle speed control device. Click here for another video on Ford IAC testing http://youtu.be/ayjhL9jpFH8 Visit my website www.scannerdanner.com for more about my eBook and lectures. Visit our school www.rosedaletech.org to be part of my class in person. Visit http://www.youtube.com/channel/UCs2NZ_wQFDFvV0QOhoZgASA if you would like to be part of my on-line class. For more information on this topic I have written a field manual called Engine"
YouTube Link 2014-08-02T22:55Z 477K followers, 492.6K engagements

"How to test an ignition coil/module with a test light (distributor ignition) - GM The tests shown in this video can be used on most ignition coils with the exception of the [--] and [--] wire coil over plug systems. #nospark When you have no spark from an ignition coil you must first test for "control" (the switching on and off of the coil). There are multiple ways to do this. I show two methods in this video. One is using a basic test light and two is using a scope and low amp probe. Finally I show how to perform a resistance test on the coil itself using an ohmmeter. Visit my website"
YouTube Link 2014-09-19T03:43Z 477K followers, 1.4M engagements

"Whats Up With This Ignition Coil Trigger #IgnitionCoil #AutoDiagnostics #ScannerDannerPremium This ignition coil trigger signal doesnt look right and its the clue that exposed the real fault. Full diagnostics training: https://www.scannerdanner.com/join-scannerdanner-premium.html engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics"
YouTube Link 2026-02-13T18:33Z 477K followers, [----] engagements

"Multiple Problems/Poor Customer Communication (Low Power Long Crank Stalling P0171/P0174/P0121) P1 Link to part [--] (the follow up) https://youtu.be/yw1-zlFuXZ4 [----] Chevy Suburban 5.3L with lean conditions from a fuel pressure issue and a vacuum leak a dirty throttle body causing false TPS code P0121 and a charging system issue. If you are not careful with a job like this it can end up costing you money. Symptoms: Long crank time low power backfiring through the intake stalling battery light on :40 symptoms and customer complaint 2:18 what I think the problems are 3:36 code list and freeze"
YouTube Link 2022-01-15T17:19Z 477K followers, 69.8K engagements

"How to check the 5v reference circuit for a short to ground (Cadillac) [----] Cadillac DTS Shorted 5v Reference Circuit Typically a vehicle will not run with a shorted 5v reference circuit but in the case of this Cadillac it has [--] separate 5v regulators so it can still run with one of them shorted. For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto"
YouTube Link 2013-11-22T14:52Z 477K followers, 306.1K engagements

"No Spark Troubleshooting Is there Coil Control #automotivediagnostics Testing for coil negative "control" is the key when troubleshooting a no spark condition on an ignition coil. In this clip I am using a test light but in the full video I back up our findings with a lab scope. Full video is linked in this short. #picoscope #no spark"
YouTube Link 2024-12-09T18:34Z 475K followers, 362.5K engagements

"How to use Fuel Trim to identify the cause of a P0171 and P0174 code In this video I will show you how to use trouble codes freeze frame data short term and long term fuel trim data to determine the type of lean condition. Engine Performance Diagnostics chapters [--] and [--] Symptoms - rough idle - higher than normal idle speed - lower than normal idle speed - run good under load - check engine light (P0171 P0174) Fix - repair vacuum leak at the EGR tube Tests shown - how to use freeze frame data to determine type of lean condition - how to read and interpret fuel trim numbers (STFT and LTFT) -"
YouTube Link 2012-07-27T17:10Z 476K followers, 190.2K engagements

"I Cant Believe This ECU Driver Survived. (O2 Heater Circuit Testing) A downstream O2 heater code is easy to ignore until you see 20+ amps of current on the circuit. In this video I capture a spike that could have destroyed the ECU driver and explain why voltage testing alone can miss it. The vehicle being worked on is a [----] Mini Countryman 1.6L Turbo. 🔧 WANT TO GO DEEPER THAN YOUTUBE Structured diagnostics training: classroom lessons + real case studies. 👉 https://www.scannerdanner.com/join-scannerdanner-premium.html We walk through proper O2 heater circuit testing and show why voltage"
YouTube Link 2026-01-10T19:45Z 477K followers, 15.7K engagements

"12 volts unplugged Zero volts plugged in (why) It showed [--] volts unplugged and zero volts plugged in. This is a classic example of why unloaded voltage tests lie and why voltage drop testing must be done with the circuit loaded. The fuel pump wasnt the problem. The circuit was. If youre diagnosing by unplugging components and calling it good this will fool you every time. Full diagnostics training on my website https://www.scannerdanner.com/join-scannerdanner-premium.html engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY"
YouTube Link 2026-02-04T00:40Z 477K followers, [----] engagements

"EGR Closed Performance P1404 with new EGR valve installed (GM) During this diagnosis of an EGR trouble code on this Impala I have the opportunity to go into detail about computer controlled solenoids duty cycle and how they relate to valve position. I also get to showcase the power of the Verus with side-by-side scope and scan tool testing. Despite the inadvertent fix this video makes for great study material especially relating to sections [--] [--] and [--] in my book. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P1404) Fix - resetting the EGR valve closed position"
YouTube Link 2012-11-02T10:10Z 475K followers, 210.5K engagements

"Opposite Fuel Trims: Bank [--] Negative Bank [--] Positive [----] Ford F-150 4.2L with Bank [--] running rich at -15% and Bank [--] running slightly lean at 10%. Many parts have been replaced before we got to this truck including the cats. No real symptoms that we could feel initially except a little bit of a rough idle. Power loss on a test drive was questionable. 00:00 - at my brother shop 01:07 - initial view of O2 and Fuel Trim 03:50 - O2 heater current and signal looks poor on bank [--] 05:44 - how to baseline test any O2 or AF sensor (full rich/full lean range) 10:00 - suspecting an O2 problem 12:16 -"
YouTube Link 2025-10-25T16:00Z 477K followers, 15.7K engagements

"Troubleshooting a Shorted 5v Reference Circuit (Chevy Silverado) This truck has more than one 5v regulator and we are chasing a problem on the REF [--] circuit (P0651). It is also setting false random misfire (P0300) and crank sensor (P0335) trouble codes. ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner Related videos: How to check the 5v reference circuit for a short to ground (Cadillac) https://youtu.be/uyncVz_HAtA No Start from a shorted MAP sensor (Honda Acura) https://youtu.be/za13UnpbH7E For more information on this topic I have"
YouTube Link 2019-08-31T22:17Z 476K followers, 304.3K engagements

"No Start - PCM No Com - No Spark or Injector Pulse 5v Reference Test Understanding the importance of testing for a 5v reference will save you so much time in these situations For more on the 5v ref circuit check out this playlist. (Chapters [--] [--] and 11) The 5v Reference and Signal Circuit Quick Tests: https://www.youtube.com/playlistlist=PLAFYVCyenqcpP9ykkWb2D16nVEjyQ1eTZ This lecture in particular is key in understanding this 5v ref circuit https://youtu.be/pb8o5EngBwM"
YouTube Link 2024-02-24T17:17Z 475K followers, 43K engagements

"Ignition System Designs Operation and Testing (an SD Premium video) For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium https://www.scannerdanner.com/join-scannerdanner-premium.html There is a [--] day free trial. On ScannerDanner Premium I will"
YouTube Link 2014-03-12T19:47Z 475K followers, 165K engagements

"Why Six Fuel Pumps Didnt Fix This Car (Voltage Drop Under Load) This vehicle had six fuel pumps installed and none of them fixed the problem. In this class-style breakdown I walk through a fuel pump voltage drop diagnosis that only showed up when the circuit was loaded. Unplugged tests looked perfect. Plug it in Voltage disappeared. This video explains why unloaded voltage tests can completely mislead you how to verify scope ground integrity in rusty vehicles how to properly test a fuel pump relay under load why resistance (not high current) melts terminals and what terminal fretting really"
YouTube Link 2026-01-31T17:00Z 477K followers, 14.7K engagements

"Ford Idle Air Control (IAC) valve test (how to adjust minimum idle speed) Here were covering an idle speed issue on a Grand Marquis. This video goes along well with chapter [--] in my book Idle Speed Controls but also specifically covers Ford scan data and minimum idle speed adjustment. The testing methods shown will apply to most Ford systems that utilize a two wire IAC valve as well as other [--] wire IAC valves used by other manufacturers. Engine Performance Diagnostics chapter [--] Symptoms - high idle speed - check engine light (P0507) Fix - adjusting minimum idle speed Tests shown -"
YouTube Link 2012-10-30T01:27Z 476K followers, 859.4K engagements

"PONTIAC G6 BAD GROUND A No Start No crank Condition Case Study ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"
YouTube Link 2020-11-14T15:21Z 475K followers, 99.3K engagements

"GM Bypass Ignition System Operation (part 1) Part [--] https://youtu.be/vmutNjx7QDY This is a unique design when it comes to ignition systems. One where the ignition module can control spark completely independent from the engine computer and is something GM used for many years. Starting with their computer controlled distributor ignition systems in the early 80s and continuing in many different waste spark designs well into the late 90s. The engine being discussed is an older GM [----] but the material can be applied to all GM bypass ignition systems. This lecture was given to my class in"
YouTube Link 2011-11-18T07:57Z 475K followers, 263.2K engagements

"How to test an electronic EGR valve (GM P1406 case study) In this video I show another variable when it comes to testing this type of EGR valve. (open 5v reference circuit from a bad engine computer) I'll also show you how I repaired this problem without replacing the computer. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P1406 P0300) Fix - re-wire one of the 5v reference circuits Tests shown - how to use scan data to identify a problem with the EGR position circuit - identifying a power or ground side output with a multimeter - how to use a multimeter to manually"
YouTube Link 2013-07-17T03:19Z 475K followers, 470K engagements

"How to test a coolant temperature sensor (ECT sensor test) This same test can be followed for both [--] and [--] wire coolant temp. sensors and applies to ALL cars not just the one in this video (Hyundai Santa Fe) For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to"
YouTube Link 2015-07-02T17:13Z 475K followers, 232.5K engagements

"Basic Ignition Description Operation and Testing (any car) A free ScannerDanner Premium video. This is a raw (unedited) video taken from my Engine Performance class this morning. I used this opportunity to review ignition systems with my class as well as to try to help one of my YouTube subscribers. His question was on a [----] Mazda [---] with a no spark no start problem. The information covered in this video goes above and beyond this Mazda system. I will be teaching you fundamentals that will help you troubleshoot a no spark problem on any car Engine Performance Diagnostics chapter [--] Playlist"
YouTube Link 2012-02-13T16:14Z 476K followers, 197.8K engagements

"New Throttle Body New Module Same Problem.Now What A truck came in with a lost communication with throttle actuator code and a long list of replaced partsbut the problem was never the parts. This video shows why communication codes get misdiagnosed and how the parts cannon took over. Using scope data and simple logic the real cause is uncovered: an intermittent bad ground that only failed under load. A quick practical reminder of why verifying powers and grounds matters before replacing anything. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics"
YouTube Link 2026-02-07T17:00Z 477K followers, 16.7K engagements

"How Jumper Wires & T-Pins Can Kill ECM Drivers Jumper wires T-pins and test lights can instantly destroy computer drivers if you dont understand circuit polarity and current flow. In this class I explain power-side vs ground-side switched circuits why fuses dont protect drivers how T-pins can cook an ECM and how to safely test drivers using LED vs incandescent test lights. This is necessary testing but only when you understand the risks. This video is pulled from the ScannerDanner Premium training library specifically SDP [---] (Day [--] Part 2). If you want the full structured training (600+"
YouTube Link 2025-12-27T16:09Z 477K followers, 25.4K engagements

"How to simulate a rich & lean O2 signal (PCM response testing) How to quickly test an O2 sensor signal wire for opens and shorts when no scan data is available. This test is very useful in identifying wiring harness integrity when you have an oxygen sensor signal that is either fixed high or low. You can actually use your body as a resistor instead of a test light if that makes you more comfortable. Engine Performance Diagnostics chapter [--] page [--] Tests shown - how to simulate a lean oxygen sensor signal - how to simulate a rich oxygen sensor signal Tools used - test light - back-probing pins"
YouTube Link 2011-12-13T22:11Z 476K followers, 63.5K engagements

"Wideband O2 sensor testing P1130 (Lexus RX-300) part [--] In this first part of a two-part series I get my hands dirty on a [----] Lexus RX-300 with a wideband O2 sensor problem. As I show in the video the operation of this sensor is very different to a normal O2 sensor and requires some different testing methods. Check out Part II for the conclusion. Engine Performance Diagnostics chapter [--] Symptoms - pending trouble codes (P0171 P1130) - intermittent rough idle Fix - replaced the bank one upstream wideband O2 sensor - cleaned the MAF sensor Tests shown - using scan data to evaluate wideband O2"
YouTube Link 2013-01-13T18:52Z 476K followers, 108.5K engagements

"COMEBACK - [----] Chevy Trax Blower Motor (Part 2) I hate "come backs" As many of you stated in part [--] inferior parts are a plague in our industry. But was this an inferior part Was the blower motor drawing too much amperage (15-17 amps on a [--] amp circuit) Did I perform the blower motor amp draw test properly Or did something else cause this issue I think we answer these questions well in this video. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for"
YouTube Link 2025-09-13T16:00Z 476K followers, 13.9K engagements

"2006 Ford E350 6.0L Turbo Diesel Bad ECM/TCM and BCM [----] Ford E-Series 6.0L V8 Direct Injection Turbo Diesel 00:00 - love my brother 02:00 - symptoms/codes and testing my brother did 09:00 - ECM and BCM combined in one module 16:51 - CAN signals on a lab scope 19:33 - U0100 and U0101 flow charts/research 21:47 - research time (don't work for free) 24:14 - "substitute known good ECU and retest" 30:45 - how flow charts should be written 32:00 - cont. reviewing no com possibilities 33:10 - question to the community 36:10 - why I am not testing powers and grounds 36:40 - what a bad ground looks"
YouTube Link 2025-10-04T16:22Z 476K followers, 15.7K engagements

"Secondary Ignition Waveforms (common faults) In this video I will cover secondary ignition misfire diagnosis using a lab scope. The following waveforms will be shown: [--]. A no fuel misfire [--]. An open plug or wire [--]. A shorted plug or wire [--]. A coil output test Engine Performance Diagnostics chapter [--] pages 13-15 Playlist - (Chapter 1) Misfire ID Compression Tests Vacuum Leaks Fuel Trim Head Gasket Restricted Exhaust Low Power DMM https://www.youtube.com/playlistlist=PL5E3AEC36DB838BB1 Related videos - How to find a misfire with no trouble codes (uScope) https://youtu.be/ppActthRa70 - Ignition"
YouTube Link 2012-04-14T17:36Z 476K followers, 205.5K engagements

"No Spark Troubleshooting bad ECM driver test #automotivediagnostics Full video linked in this short"
YouTube Link 2025-02-27T22:36Z 476K followers, 36.3K engagements

"How to test a Ford MAF sensor This is a case study on a [----] Ford Explorer 4.0L engine with a MAF sensor fault. It also has rich exhaust codes P0172 and P0175. For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"
YouTube Link 2015-07-12T21:55Z 476K followers, 194.6K engagements

"Allison Transmission (3000 series) fluid and filter change - [----] American Coach This a [----] MH Allison transmission mounted behind an 8.3L Cummins ISC engine in a Spartan chassis. The vehicle is a [----] American Coach American Tradition made by Fleetwood. In this video we will be changing the transmission fluid and filters using factory recommended parts and fluid. Parts used - Mobil [------] Delvac Synthetic Automatic Transmission Fluid - [--] Gallon http://amzn.to/2dmQZBX - Mobil [------] Delvac Synthetic Automatic Transmission Fluid - [--] Gallon (Pack of 4) http://amzn.to/2dFmGGo - Allison"
YouTube Link 2016-10-07T10:42Z 476K followers, 95.6K engagements

"Best (so far) BUDGET Bi-Directional Scan Tool - For DIY and PROFESSIONAL Link to part [--] (field testing follow up) https://youtu.be/MRE7jKXlwco 10% of the proceeds will be donated to St. Jude's Children's Research Hospital using promo code DANNER For pricing and information here is the link to the Phoenix (updated link) https://www.topdon.us/collections/professional-series/products/phoenix ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics"
YouTube Link 2022-03-19T16:00Z 476K followers, 246.5K engagements

"Holley Terminator X EFI - Wiring Harness Installation and Suggestions In this second part of our Terminator X Stealth installation we are installing the harness and computer. This will be a nice detailed review for anyone interested in installing one of these systems and will answer many of the questions people will have. Here is a link to part [--] where we are installing an in-tank electric fuel pump in a [--] Dodge Power Wagon https://youtu.be/JKOgIR9LrTE Holley Terminator X wiring diagram pdf https://documents.holley.com/0e6992fcbea20610d28b5e03b0ba55e339d5323f.pdf #holleyterminatorx"
YouTube Link 2025-10-01T20:00Z 476K followers, [----] engagements

"GM MAF sensor circuit tests (a free ScannerDanner Premium video) Visit my website www.scannerdanner.com for more about my eBook and lectures. Visit our school www.rosedaletech.org to be part of my class in person. Visit http://www.youtube.com/channel/UCs2NZ_wQFDFvV0QOhoZgASA if you would like to be part of my on-line class. For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking"
YouTube Link 2014-12-03T07:11Z 476K followers, 59K engagements

"2013 Dodge Ram - No Horn/Steering Wheel Switch Functions - LIN Bus Fault U1009-00 [----] Dodge Ram NO Horn operation steering wheel switches do not work though sometimes the cruise control does. We have some LIN bus codes in memory. Join us as we fix this problem 00:00 - customer complaint and symptoms U1009-00 03:10 - data from the SCCM (steering column control module) 06:01 - hard fault U1009-00 LIN [--] Bus - Active Stored 06:06 - horn circuit wiring diagram 09:46 - RC-R36-15 SAFETY RECALL R36/NHTSA 15v-459 Steering Wheel Wiring 11:07 - a clip from an SD Premium video (accidental airbag"
YouTube Link 2022-12-31T18:08Z 476K followers, 92.7K engagements

"Charging System Operation and Testing (94 Toyota Celica) Intermittent charging system/battery light comes on while driving problem.This video covers the typical checks that must be done on a non computer controlled charging system before replacing an alternator. Interested in the tools I use Check out my lists https://www.amazon.com/shop/scannerdanner https://www.scannerdanner.com/tools.html Video breakdown: - what you need to do when the battery light comes on :20 - battery and charging system fundamental checks 1:12 - idle voltage with no accessory loads 2:02 - battery/charging light test"
YouTube Link 2018-04-21T12:44Z 476K followers, 122.9K engagements

"Dirty MAF Sensor Case Study [----] Toyota Corolla MAF sensor testing. Using a scanner and labscope. Trouble code P0171 in memory. How to determine what is causing the engine to run lean. Symptoms: - low power - hesitation - check engine light with a P0171 fault code Fix: - clean dirty MAF sensor Test procedures shown: - how to test a mass airflow sensor - how to use a the oxygen sensor at wide open throttle to test fuel delivery - before and after cleaning scan data and scope measurements of the MAF sensor - throttle position sensor will not reach 100% on scan data - how to clean a MAF sensor"
YouTube Link 2011-08-30T23:36Z 476K followers, 420.3K engagements

"Ignition coil-module test with test light (a free SD Premium video) This lecture applies to ALL ignition coils and computer controlled ground side switched circuits. Join me and my class at Rosedale Technical College as we learn how to test an ignition coil for what I call "control". This video is an example of what is available on ScannerDanner Premium. I have a lecture for every single page of my book plus countless case studies to help reinforce the subject. (14 day free trial) Engine Performance Diagnostics chapter [--] page [--] Related videos - How to troubleshoot a no spark condition with a"
YouTube Link 2011-11-17T18:15Z 476K followers, 183.3K engagements

"Starter Motor Tests you MUST Learn voltage drop on battery post of starter No Crank starter just clicks tests you MUST know how to perform. no crank starter clicks no start voltage drop test no crank starter clicks no start voltage drop test"
YouTube Link 2024-07-01T17:58Z 476K followers, 88.1K engagements

"Causes of lean condition trouble codes P0171 P0174 - GM [--] 3L The vehicle being worked on is a [----] Chevy Suburban with a 5.3L engine. It had multiple trouble codes in memory P0171 and P0174 (fuel system too lean bank [--] and 2) a P0101 (MAF circuit out of range) and a P0300 (engine misfire detected). All of these were related to one single problem. Engine Performance Diagnostics chapter [--] pages 4-12 Symptoms - rough idle especially cold - check engine light (P0171 P0174 P0101 P0300) - poor gas mileage - hesitation on acceleration - runs much better with engine warm Fix - replace intake manifold"
YouTube Link 2016-02-26T11:00Z 477K followers, 1.1M engagements

"No Spark Learn This Test Ignition Coil Testing involves looking for coil negative control. This test can be performed (using an incandescent test light) on any coil where the driver is not part of the coil assembly. (conventional most waste spark systens and 2-wire C.O.P.) On the [--] and [--] wire C.O.P.s coil negative cannot be accessed directly as it is internal to the coil however the coils trigger signal can be viewed similarly using an LED type of test light. DO NOT use an LED test light to monitor coil - for pulsing/control (shown in this video) because the 300-400v spikes that occur during"
YouTube Link 2024-04-29T10:49Z 477K followers, 143.2K engagements

"Testing a Magnetic Type Crank Sensor for a Weak Signal Interested in online technician training We offer a [--] day free trial then it is $11 a month after the trial giving you access to [---] videos and counting. https://www.scannerdanner.com/join-scannerdanner-premium.html no start no spark no rpm crank sensor test vrs magnetic pickup no start no spark no rpm crank sensor test vrs magnetic pickup"
YouTube Link 2024-06-02T17:46Z 477K followers, 10.2K engagements

"2016 Chrysler [---] - No Crank Diagnostics No crank no start diagnosis on a [----] Chrysler [---] with push-button start. This vehicle had an intermittent no-crank that eventually became a constant no-crank. In this video we walk through complete starting system testing including: Scan data checks of start/stop inputs Park/neutral and related DTC evaluation Starter relay and fuse testing Circuit checks to the starter solenoid A real-world example of diagnosing a modern electronically-controlled starting system using scan data wiring diagrams and load-side testing. 0:00 No crank no start"
YouTube Link 2026-02-14T16:36Z 477K followers, 11.1K engagements

"Testing for Fuel Injector Control Injector Pulse Test #fuelinjector #nostart #misfire Testing for Injector Control or Injector Pulse is super easy to do or port injection systems. In this video I'm using a simple incandescent test light to perform this test. fuel injector test injector pulse fuel injector control no start misfire fuel injector test injector pulse fuel injector control no start misfire"
YouTube Link 2024-02-28T13:51Z 477K followers, 100.2K engagements

"2017 Chevy Trax Blower Motor Circuit Troubleshooting (Part 1) Make sure you watch Part [--] This new resistor lasted one day https://youtu.be/GereOBzHOws 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1"
YouTube Link 2025-09-06T17:00Z 477K followers, 17K engagements

"Voltage Drop Testing with a Test Light Part [--] Of course a test light is not always the preferred tool when performing voltage drop testing but when you have an output (electric motor solenoid relay etc) that is not functional at all a test light is just as accurate as a voltmeter and can even be more accurate in the case of an open in that output (no current flow). When we want an actual number (voltmeter) is when we have an output that functions but not properly. For example a starter motor that turns but turns slowly. In this case the test light is NOT the preferred tool. Voltage AND"
YouTube Link 2024-08-31T14:59Z 477K followers, 82.3K engagements

"Misfire Quick Tests (Is it a spark fuel or compression problem) [----] Dodge Caravan/Chrysler Town and Country 3.8L with a misfire. In this video I will walk you through some simple tests to help you isolate the cause. Even if you do not have a lab scope the cranking sound test I show will help you determine if you have a compression problem or not. Tests shown: - how to perform a cylinder drop (RPM drop) test using a test light - how to perform a cranking compression sound test - how to perform a relative compression test with a scope - how to determine which cylinder has low compression on a"
YouTube Link 2017-11-05T20:56Z 477K followers, 922.8K engagements

"A/C Diagnosis-Sticking Thermal Expansion Valve (TXV H-Valve) Just because system pressures are low and you have warm discharge air does not mean you are low on charge Let me walk you through what a restriction in an A/C system looks like and how to fix it. (Dodge Durango case study) Tools used - ATD Tools [----] Deluxe Dual Aluminum A/C Manifold Gauge Set https://www.jbtoolsales.com/atd-tools-3695-deluxe-dual-aluminum-a-c-manifold-gauge-set#oid=1014_1 - FJC [----] [---] CFM Vacuum Pump https://www.jbtoolsales.com/fjc-6909-3-0-cfm-vacuum-pump#oid=1014_1 - Mastercool [-----] R-134a Can Tap Valve"
YouTube Link 2017-08-21T16:03Z 477K followers, 1.7M engagements

"Alternator Rotor Field Testing #mopar #alternator #voltageregulator Full video linked in this short"
YouTube Link 2025-10-19T12:31Z 466K followers, 21.1K engagements

"Module or Relay Heres the Proof What is killing this battery Trailer Brake Control Module or Solid State Relay Same setup. Same conditions. Only one part causes the draw. Full video https://youtu.be/3vGEPzwg50c engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics engine performance diagnostics technician training auto technician"
YouTube Link 2026-01-22T21:20Z 477K followers, 20K engagements

"This Is What Was REALLY Causing the Parasitic Drain [---] mA parasitic drain. Full diagnostic breakdown on my channel engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive"
YouTube Link 2026-01-19T18:25Z 477K followers, 13.3K engagements

"This is why you can't ignore o2 heater codes Downstream [--] heater code. 20+ amps of current. This should've killed the ECU driver. Click the link to check out the full video 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1"
YouTube Link 2026-01-12T21:31Z 477K followers, 13.5K engagements

"Cloning a New Tire Pressure Monitor Sensor (TPMS) To purchase this kit from Autel visit my Amazon Affiliate store https://www.amazon.com/shop/scannerdanner These Autel universal sensors run about $30 a piece and can be cloned to a factory sensor eliminating the need to program the new sensor after installation"
YouTube Link 2019-09-21T16:13Z 467K followers, 114.2K engagements

"New Class: Master the Call What Makes a Module Bad #RosedaleTech #ScannerDannerPremium This class will be available on my website for SD Premium members soon Special thanks to @rosedaletechnicalcollege8131 for providing me this platform Interested in a trade Check out all of our programs at rosedaletech.edu Interested in joining my online classes You can sign up here for a [--] day trial for one dollar https://www.scannerdanner.com/join-scannerdanner-premium.html"
YouTube Link 2025-11-06T16:53Z 477K followers, [----] engagements

"This Is What Was REALLY Causing the Parasitic Drain Parasitic drain follow-up. We pinpoint the exact cause of the [---] mA key-off draw isolate the circuit and prove the faulty part with repeatable testing not guesswork. Missed Part [--] Start here: https://www.youtube.com/watchv=1XO5eP_hLdY 00:00 Recap: [---] mA Parasitic Drain 01:12 Viewer Comments & Common Theories 02:33 Thermal Camera Mistake Explained 03:51 Code C1113: What It Means 04:38 Is the Module Waking the Relay 06:14 Trailer Brake System Overview 07:41 High-Side vs Low-Side Drivers 08:45 Parasitic Drain Test Strategy 12:42 Scope & Amp"
YouTube Link 2026-01-17T17:41Z 477K followers, 12.8K engagements

"How an Ignition Coil Works Understanding this principle is key in being able to interpret ignition waveforms on a lab scope. This clip was taken from my Chapter [--] Playlist on SD Premium where I'm introducing a group of new students on how an ignition coil can take 12v and make it [-----] volts. ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic"
YouTube Link 2023-12-15T22:00Z 469K followers, 28.5K engagements

"What is Oxygen Sensor Bias Voltage (an SD Premium video) After showing you guys (and my class) the operation of an oxygen sensor on a motorcycle (https://youtu.be/NTec5ha83QU) I used this opportunity to discuss a very difficult topic from chapter [--] in my Engine Performance Diagnostics book. The topic is "Oxygen Sensor Bias Voltage". In this video I want to show you what it is and how to use it to your diagnostic advantage. The first part of this video we will be reviewing some pages from my book so if you've been wondering what type of material is in there this is your chance to see. Then I"
YouTube Link 2016-06-03T05:43Z 473K followers, 71.8K engagements

"One Meter Mistake That Can Waste Hours #SDPremium #automotivetraining #electricaltraining If your voltage readings dont make sense stop chasing the circuit. Check your meter. Check your ground. Bad test connections lead to bad diagnostics and wasted time. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level"
YouTube Link 2025-12-17T18:00Z 477K followers, 35.7K engagements

"How to troubleshoot a faulty MAF sensor (Mercedes Benz) The test featured in the video is using the O2 sensor at wide open throttle to determine the cause of a low power complaint. This [----] Mercedes Benz ML320 had very low power (will not go over [--] mph) with random and multiple cylinder misfire codes in memory. In this video I will show you how to prove these symptoms are caused by a lack of fuel which led us directly to the MAF sensor. I will be showing you MAF data on the scan tool and also detailed testing of the sensor itself using a scope. You will not need expensive equipment to"
YouTube Link 2015-11-17T05:01Z 446K followers, 262.4K engagements

"Mopar Charging System Testing External Voltage Regulator [----] Dodge Power Wagon [---] charging system testing. This one has a 2-pin external voltage regulator. In this video I will walk you through most of the variables you will find when testing one of these systems with the primary tool used being an old school incandescent test light. DO NOT use an LED type light for this testing procedure as it will result in inaccurate measurements. 00:00 - no charge condition testing 01:50 - system voltage test 02:52 - testing the rotor field circuit engine running 03:54 - testing the rotor field circuit"
YouTube Link 2025-10-18T15:33Z 466K followers, [----] engagements

"How to identify a bad main relay on a Honda (PGM-FI) This is a [----] Honda Accord with an intermittent no start complaint. Other symptoms include: stalling long crank times surging bucking poor transmission shifting. Some quick work with the test light allowed me to zero in on a PGM-FI main relay issue which was confirmed by a visual inspection on the relay board itself. If you can forgive my soldering work done through a tiny video camera screen then you can get an idea of how to repair these relays quickly and easily. Dont forget to check the Related Videos for a follow up video detailing"
YouTube Link 2013-06-06T03:20Z 472K followers, 1.2M engagements

"1988 Ford F150 EEC-IV No Spark Good Ignition Coil Module and Distributor Pick-up I was 100% confident this needed an ignition module at 11:40 of the video. I was wrong (original title - "ScannerDanner gets his butt kicked by an '88 F-150 (EEC-IV Ignition)" The testing methods shown in the video are applicable to all EEC-IV TFI Ignition systems. Related videos: https://www.youtube.com/watchv=mDKj19Hnhd0 https://www.youtube.com/watchv=YBE7c7lfmnY https://www.youtube.com/watchv=LdnnFD6J8Uo https://www.youtube.com/watchv=-ZGLoSSowYY Visit my website www.scannerdanner.com for more about my eBook"
YouTube Link 2015-01-14T16:30Z 469K followers, 367.2K engagements

"The right way to remove your A/C pressure gauge after service Full video linked in this short"
YouTube Link 2025-07-07T12:53Z 475K followers, 49.4K engagements

"GMC Yukon HVAC Blower Motor Won't Turn On How to test the blower motor switches blower resistor (which is a module on this one) and the blower motor itself will be shown in this video. Interested in the tools I am using You can find them here https://www.scannerdanner.com/tools.html Related videos - How to test a blower motor and resistor (subscriber requested) https://youtu.be/KI9em35OcaY - Alcohol in Fuel Test and Reset - [----] Flex Fuel Chevy Impala https://youtu.be/5DI3GlpOszE - [----] Chevy Tahoe Airbag Fault B0084 (Front End Sensor [--] Erratic) https://youtu.be/5b7XSWg8hLE For more"
YouTube Link 2017-10-30T10:20Z 467K followers, 314.5K engagements

"This is the most FRUSTRATING and most REWARDING field 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"
YouTube Link 2025-11-25T15:44Z 477K followers, 12.1K engagements

"Bad Module or Bad Testing The Diagnostics You Need to Know Full video/class is available on my website at scannerdanner.com In this lesson we dive into the real-world process of what it takes to identify a faulty control module. Using live case studies this lecture offers a practical look at the mindset and methods needed to confidently call a bad module. This ongoing series will continue to build on these foundations exploring deeper topicsincluding complex CAN diagnostics. Whether you're a student technician or enthusiast looking to strengthen your diagnostic approach this teaching will"
YouTube Link 2025-11-20T20:50Z 477K followers, 14.3K engagements

"Why do I leave in my mistakes 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case studies with"
YouTube Link 2025-12-09T17:37Z 477K followers, 12.7K engagements

"A/C Micron Gauge Do we really need one #airconditioning #automobile"
YouTube Link 2025-06-26T20:55Z 473K followers, 23.7K engagements

"Ignition System Operation & Testing - (No Spark Toyota Celica)-Part [--] In this video we will be focusing on the ignition system including description operation and testing. Tests shown can be applied to just about any ignition system design. Symptoms before this became a no start was intermittent misfiring and hard starting. Where to get ScannerDanner tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner Video breakdown: - how to rig up a car to crank for you under the hood 2:00 - spark test 4:00 - how to confirm ignition inputs using the tach 8:38 - using"
YouTube Link 2018-03-08T04:00Z 469K followers, 207.5K engagements

"2007 Honda Accord Wideband O2 (Air Fuel Ratio Sensor) Testing This Honda came in with a P0171 and a P0420 trouble code. Join us as we show you how to handle testing of a wideband oxygen sensor also known as an air-fuel ratio sensor. Videos and playlist mentioned: Wideband O2 sensor testing P1130 (Lexus RX-300) part [--] https://www.youtube.com/watchv=7Xm2rYQXT8s Wideband O2 sensor testing P1130 (Lexus RX-300) - Part II https://youtu.be/s7zv9uzs0b4 (Chapters [--] and 5) Fuel Trim and Oxygen Sensor Testing https://youtube.com/playlistlist=PLD2809EEC7BAAF989 (Chapters [--] and 5) Fuel Trim and Oxygen"
YouTube Link 2021-08-06T14:53Z 473K followers, 83.9K engagements

"Pressure Sensor or Potentiometer Signal Fixed at 0v Circuit Integrity Testing In this video we will be cover all the necessary testing procedures for trouble code P0452 "EVAP Pressure Sensor Signal Low/Short". The vehicle in test is a [----] Chevy Silverado [---] but these same procedures can be followed on all General Motors fuel tank pressure sensors as well as every other pressure sensor on the car. Including MAP and BARO sensors. (original title: How to troubleshoot an EVAP Pressure Sensor problem P0452 - GM) Engine Performance Diagnostics chapter [--] Symptom - check engine light with a P0452"
YouTube Link 2012-02-22T07:02Z 473K followers, 168.4K engagements

"Its alive [---] Stroker Holley Terminator X Stealth EFI @JAMSIONLINE @HolleyPerformance Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium"
YouTube Link 2025-12-17T14:26Z 477K followers, [----] engagements

"2017 Ram Active ABS Wheel Speed Sensor Test #speedsensor #tractioncontrol Full video coming up this Saturday 11-15-25 Some other names for this digital type of ABS wheel speed sensor: Magneto-Resistive (MRE) Sensor and Hall Effect Sensor Related videos: How to test a digital ABS wheel speed sensor - [--] ChryslerDodgeJeep https://youtu.be/LKJWkAGMOfQ Magneto Resistive ABS Wheel Speed Sensor Test - [----] GM https://youtu.be/UBNo_yg2gFI Active ABS Wheel Speed Sensor Testing and Wiring Repair [--] Silverado https://youtu.be/ErbK7RqNhXw 📘 Want to Learn More About Diagnostics Check out my field manual"
YouTube Link 2025-11-13T22:53Z 477K followers, [----] engagements

"How to test a GM MAF Sensor (Part 2) Here is the link to part [--] https://youtu.be/p2QLxxstRn8 The procedures shown in this video can be applied to all 3-wire General Motors MAF sensors. (Chevy Buick Olds GMC Cadillac) The frequency specification I quote in this video will differ depending on engine size but the electrical tests shown particularly in part [--] are universal and apply to ALL GM MAF sensors. The vehicle being tested is a [----] Buick LeSabre [----] with a MAF trouble code P0102 Symptoms: - intermittent stalling - hesitation on acceleration - check engine light (P0102 P0103) Fix: -"
YouTube Link 2011-04-28T22:33Z 468K followers, 95.7K engagements

"Quick Diagnosis of a '97 Chevy with a Fuel Pressure Problem Low power condition troubleshooting. Quick methods to identify a fuel pressure problem on any car. Interested in any tools I used in this video see links below: https://www.amazon.com/shop/scannerdanner https://www.scannerdanner.com/tools.html Video breakdown: - 3:12 Unplugging the MAF sensor as a guide - 3:48 Fuel pressure testing w/gauge - 3:58 https://www.amazon.com/shop/scannerdanner - 4:05 OTC fuel pressure gauge (listed on my Amazon page) - 4:27 https://www.amazon.com/shop/scannerdanner - 5:30 snap throttle testing - 6:54 dead"
YouTube Link 2018-06-29T15:03Z 466K followers, 261.6K engagements

"No Crank Bad Starter bailing out my mom This was my favorite video ever. Just all of it Love my mom"
YouTube Link 2024-04-01T16:12Z 467K followers, 15.7K engagements

"EVP Sensor Open 5v Reference Circuit This video covers some key fundamentals that every single technician needs to learn. What do you do when you find [--] volts on a position sensor signal How do you force an output solenoid to energize What is the purpose of the 5v reference and what to do when it is missing Are you confident enough in your troubleshooting to make a call on a bad engine computer Even if that computer costs thousands of dollars 00:00 - P1406 EGR Valve Position Sensor Circuit Problem 00:20 - EVP signal is fixed at [--] volts 01:10 - how to identify a power or ground side controlled"
YouTube Link 2024-02-03T16:36Z 468K followers, 31.4K engagements

"How to find a short to ground (blown fuse) In this video I cover how to locate an intermittent short to ground that is causing a fuse to blow which in turn is causing the alternator to not charge. This is part [--] of my Mazda Miata alternator video. Engine Performance Diagnostics chapter [--] Symptoms - dead battery - inoperative dash lights/gauges - stall - engine wont crank Fix - replace the blown fuse repair the downstream O2 sensor heater wiring Tests shown - how to read and interpret Mitchell wiring diagrams - how to use Power Distribution and other diagrams to short cut diagnostics - finding"
YouTube Link 2013-07-05T21:32Z 468K followers, 651.3K engagements

"Flowcharts For Smart People vs Dumb People We all hate them but at times they are the way to go as you saw me blowing up an airbag testing things my way lol If you want to see this airbag video it is available on my website on SD Premium. So youll need to pay me at least $1 for the [--] day trial to see me screw up this bad lol 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional"
YouTube Link 2025-10-17T20:09Z 466K followers, 11.7K engagements

"SD Charities: Winner announcement for the FLACA Accelerate Conference SD Charities: Winner announcement for the FLACA Accelerate Conference For more information about this event: https://youtu.be/ZzsKeiKEdco For the [--] runners up mentioned look for an email from us this week about your SD/AESwave tool grant. Looking for diagnostic tools Shop here https://www.aeswave.com/scannerdanner #automotivetraining #flacaconference #orlando #ScannerDannerPremium"
YouTube Link 2023-08-22T00:18Z 468K followers, [----] engagements

"Nissan-Infinity no start no spark from a faulty crank sensor How to troubleshoot a no start no spark problem. This video is a fantastic review of the material I have in Chapter [--] Switch Inputs and Chapter [--] Ignition System Inputs in my book. The methods Im demonstrating here can be applied to ANY pull-up design Hall effect sensor out there not just Nissan or Infiniti. Engine Performance Diagnostics chapter [--] pages [--] - [--] Symptoms - crank no start - P0335 Fix - replace the failed crankshaft position sensor Tests shown - how to perform an audible relative compression test - how to use scan"
YouTube Link 2013-07-31T13:37Z 470K followers, 270.7K engagements

"This O Sensor Was Lying This O2 sensor was stuck rich but the engine wasn't. Fuel trims & downstream data exposed the truth 🔧 Want to Go Deeper Than YouTube Structured diagnostics training: classroom lessons + real case studies. 👉 https://www.scannerdanner.com/join-scannerdanner-premium.html 🔧 ScannerDanner Premium Structured Diagnostics Training ScannerDanner Premium includes: In-depth classroom lectures focused on diagnostic process Real vehicle case studies pulled into class Electrical & electronics diagnostics training from the ground up Proven troubleshooting methods you can apply"
YouTube Link 2026-01-09T18:13Z 477K followers, 14.8K engagements

"Holley Terminator X Universal In Tank Fuel Pump Installation [--] Dodge Power Wagon This is a return type fuel system which was recommended over the return-less system as it helps to keep the throttle body cooler. Holley Terminator X wiring diagram pdf https://documents.holley.com/0e6992fcbea20610d28b5e03b0ba55e339d5323f.pdf #holleyterminatorx #holleyefi #holleyperformance @HolleyPerformance @JAMSIONLINE 00:00 - intro 01:00 - picking the location 02:00 - cutting the tank 03:47 - adapting my float to the new pump assembly 05:47 - fuel tank supporting ring install 08:40 - installing the new pump"
YouTube Link 2025-08-23T15:59Z 467K followers, [----] engagements

"P0340 Cam Sensor Circuit Code (New Sensor Installed) The vehicle being tested is [----] Jeep Wrangler but the tests shown in the video apply to hall effect type cam crank and speed sensors. Video Breakdown: Introduction clip :52 - customer complaint (cam sensor fault code P0340) 1:32 - fault code list 3:57 - clearing and re-creating the code 4:30 - know your circuit designs (ScannerDanner Premium) 5:45 - Snap-on guided component test meter for help with wiring 6:50 - pin voltage tests 7:50 - confirmed signal circuit integrity (engine computer is NOT the problem) 8:40 - what the cam sensor"
YouTube Link 2019-01-30T15:16Z 469K followers, 391.5K engagements

"Wideband Oxygen Sensor Testing Using the Downstream O2 as a Guide I struggle with these wideband oxygen sensors too and this weeks video will help unlock some of the mysteries of this sensor. Here is the link to this full case study https://youtu.be/_z6HoW4OiD8 #shorts ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner"
YouTube Link 2023-01-04T23:00Z 473K followers, 31K engagements

"Counter Fuel Trim and Injector Flow Waveforms did we fix it 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"
YouTube Link 2025-11-10T12:18Z 477K followers, [----] engagements

"No Spark Testing Ignition Coil Module PCM or Wiring Full class this was pulled from: Primary and Secondary Ignition Waveform Analysis Part [--] https://scannerdanner.com/scannerdanner-premium-chapters/chapter-1-universal-testing-methods-full/619-primary-and-secondary-ignition-waveform-analysis-part-1.html Primary and Secondary Ignition Waveform Analysis Part [--] https://scannerdanner.com/scannerdanner-premium-chapters/chapter-1-universal-testing-methods-full/620-primary-and-secondary-ignition-waveform-analysis-part-2.html Primary and Secondary Ignition Waveform Analysis Part 3"
YouTube Link 2025-04-05T14:10Z 469K followers, 13.5K engagements

"THIS is why I don't trust new parts 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case studies"
YouTube Link 2025-11-13T19:43Z 477K followers, 14.1K engagements

"Fuel Trim Diagnostics an SD Premium class #fueltrim Understanding how to use fuel trim for diagnostics is critical I offer hundreds of hours of classes just like this one on my website at www.scannerdanner.com Sign up for the [--] day free trial then it is $11 a month after giving you access to over [---] videos and counting"
YouTube Link 2024-05-16T15:25Z 473K followers, 20.8K engagements

"MAF Sensor/Wideband O2 Testing This is a great case study to show what data we use for a low power complaint. Mass airflow sensor fuel trim and wideband oxygen sensor data is emphasized"
YouTube Link 2024-08-27T11:08Z 469K followers, [----] engagements

"Stuck Open Fuel Injectors (GDI) Part [--] (symptoms and troubleshooting) Is it possible to have multiple injectors that are stuck open at the same time And if so what is the root cause In this video we will show you the symptoms and how to troubleshoot this condition. In part [--] we focus on the repair and what the root cause was. The car being worked on is a [----] Ford 1.6L Ecoboost engine #GDI #Ecoboost #Injector ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine"
YouTube Link 2021-08-28T16:04Z 474K followers, 157.1K engagements

"Misfire from a sticking fuel injector (no fuel misfire) A common problem on these second generation GM fuel injectors. (Multec 2) They would mechanically stick closed and cause an intermittent misfire. I cannot tell you how many of these I have run across where the customer already replaced all of the ignition components in an attempt to fix the misfire. There are multiple ways to identify a no fuel misfire. In this video we will cover a few of them. In the related videos posted lower on the page I will cover more. Symptoms - intermittent misfire - check engine light (P0300) Fix - clean or"
YouTube Link 2011-10-28T15:11Z 475K followers, 210.7K engagements

"Did you fix it counter fuel trim numbers Understanding how to use fuel trim for diagnostics is critical I offer hundreds of hours of classes just like this one on my website at www.scannerdanner.com Sign up for the [--] day free trial then it is $11 a month after giving you access to over [---] videos and counting"
YouTube Link 2024-05-17T12:26Z 466K followers, [----] engagements

"Operation and testing coil over plug ignition (4 wire) - Toyota/Lexus This case study is perfect for anyone interested in the working details of Toyota/Lexus coil over plug ignition system and the very similar three-wire designs used by many other manufacturers. We spend a lot of time with the Pico on this one but dont forget the other basic checks I discuss including the spark output power balance and moving a suspected bad coil to another cylinder. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P0304) - misfire Fix - replace the #4 ignition coil Tests shown - how"
YouTube Link 2013-01-20T08:26Z 470K followers, 259.6K engagements

"Weak Spark/RPM Drop Test waste spark design #misfire #ignitioncoil #rpmdrop We are doing two things here: [--]. listening for RPM drops to ID the misfiring cylinder [--]. looking at the strength of each coil"
YouTube Link 2024-03-07T14:18Z 469K followers, 85.9K engagements

"GDI Misfire "Comeback" What Did We Miss [----] Ford 1.6L Ecoboost that is back with a misfire. This engine had [--] new injectors and a high pressure pump installed about [--] months ago. "Stuck Open Fuel Injectors (GDI) Part [--] (symptoms and troubleshooting)" https://youtu.be/NBqkJG500yk "Stuck Open Fuel Injectors (GDI) Part [--] (cause and fix)" https://youtu.be/XlM0rgio4U4 TOPDON SCAN TOOL: Topdon has also offered 10% of the purchase price to be donated to the St. Jude Children's Research Hospital using promo code "Danner" when you make the purchase through the Topdon digital store. I will make no"
YouTube Link 2021-12-11T17:00Z 474K followers, 128.1K engagements

"Bank [--] Rich Bank [--] Lean The Real Cause Revealed Remember those opposite fuel trims Bank [--] negative Bank [--] positive I thought the injector test had the answer but it was actually hiding the real problem. The full breakdown drops tomorrow dont miss the final part 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for"
YouTube Link 2025-11-07T22:29Z 477K followers, 13.7K engagements

"AES LineSPI DLC 16-pin breakout box Here is my affiliate link to purchase this LineSPI and many other diagnostic tools. (all proceeds are donated to an SD/AES tool grant) https://www.aeswave.com/scannerdanner Link for this full case study: https://www.scannerdanner.com/scannerdanner-premium-chapters/no-communication-network-diagnostics/851-2021-tacoma-no-start-no-com-with-ecm-auction-purchase.html For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more"
YouTube Link 2024-10-02T21:29Z 468K followers, 12.9K engagements

"Ford O2 Sensor Testing - wiring tests (no bias voltage) During this case study I use this Ford as an opportunity to cover my O2 sensor circuit integrity test in great depth. I not only explain its value during diagnostics but also try to address any concerns or questions you may have as far as any potential to harm a computer. We also get to see the interesting backup strategy employed by Ford for O2 sensor issues and how this can potentially mislead you if youre not aware of it. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P1000 P1131) Fix - replaced the bank 1"
YouTube Link 2013-03-20T10:54Z 466K followers, 267.6K engagements

"How to test an electric fuel pump - using a test light [----] GMC [----] 8.1L engine with no fuel pressure. In this video I am showing how to test the fuel pump electrical circuit using a test light and scan tool. Engine Performance Diagnostics chapter [--] Symptoms - no start - no fuel pressure Fix - replace faulty fuel pump Tests shown - how to measure fuel pressure - how to test the fuel pump relay - how to test for proper power and ground to a fuel pump - how to test the transfer pump - how to test for a proper ground on your test light - how to command a fuel pump relay to turn on with a scan"
YouTube Link 2012-02-03T22:18Z 472K followers, 1.3M engagements

"An SD Premium lesson on Bias Voltage This is a clip from a [--] part series we recently completed on ScannerDanner Premium titled "Circuit ID and Integrity Testing (2020 Edition)" To watch the rest of this class sign up for the [--] day free trial we offer right here https://www.scannerdanner.com/join-scannerdanner-premium.html Thank you and I hope to see you there ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at"
YouTube Link 2021-07-03T16:59Z 470K followers, 92.9K engagements

"MAF Sensor with a Bad Ground #dontbeapartschanger Just because you have a code for a particular sensor does not mean that sensor is bad Learn your fundamentals and stop replacing parts based on a code"
YouTube Link 2024-04-04T13:56Z 473K followers, 11.5K engagements

"Operation and testing of a Honda main relay (PGM-FI) - an SD Premium video Following up my previous case study on a [----] Honda Accord https://youtu.be/6CMZ4g8n0FQ I discuss in detail the operation of a Honda PGM-FI main relay with my class at Rosedale Tech. We get to go into detail about design characteristics relay operation and control and some unique features in this relay that might be difficult to understand. Once you watch and understand this material youll have no problem diagnosing these relays and related circuits Engine Performance Diagnostics chapter [--] Topics discussed -"
YouTube Link 2013-06-06T04:50Z 471K followers, 143.8K engagements

"When righty tighty becomes righty loosey. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case"
YouTube Link 2025-10-29T20:35Z 477K followers, 14.5K engagements

"Injector Balance Testing Timer Tool vs Picoscope Clip from upcoming video Full video coming out 11-1-25 at 12:00 EST I was shocked by what we found 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"
YouTube Link 2025-10-30T23:06Z 477K followers, 11.4K engagements

"No Spark Troubleshooting Mopar Electronic Ignition with Ballast Resistor This is a vintage ignition system but we are going to apply the same processes we use today to troubleshoot a no spark conditions on this system. All you need is a simple test light to follow along The truck being used is a [----] Dodge Power Wagon W150 Control Testing Ignition Coils: No Spark Diagnostics "Control Testing" Part [--] an ScannerDanner Premium video https://youtu.be/7nHbctRwyys No Spark Diagnostics "Control Testing" Part [--] an ScannerDanner Premium video https://youtu.be/9U942uGTZf0 00:00 intro 00:47 what system"
YouTube Link 2022-11-26T16:33Z 468K followers, 113.2K engagements

"Opposite Fuel Trims: Bank [--] Negative Bank [--] Positive Final Part [--] https://youtu.be/J4-5eAsbgCw Part [--] https://youtu.be/iguLgNhavAs #picoscope #wps500 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1"
YouTube Link 2025-11-08T17:00Z 477K followers, [----] engagements

"Weak Spark Test C.O.P. Ignition Coil The spark color is not the answer. The distance it can jump is Most coils can jump a [--] inch gap. At the very least it should jump a half inch"
YouTube Link 2024-02-21T15:01Z 469K followers, 20.4K engagements

"Initial Tune & First Start with Holley Terminator X (483 Stroker) This video covers the first start and initial tune using Holley Terminator X on a fresh [---] stroker. Just the real-world decisions that matter when an engine fires for the first time. 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level"
YouTube Link 2025-12-13T17:55Z 477K followers, [----] engagements

"System Too Rich P0172 P0175 from a blown O2 heater fuse (Jeep) This video applies to Chrysler Dodge and Jeep systems. O2 sensor and O2 heater circuit problems may cause the computer to lean out the air-fuel ratio excessively causing the vehicle to have low power and not accelerate. However it will run good cold and at wide open throttle. Engine Performance Diagnostics Chapter [--] pages 11-22 Symptoms - low power - runs good cold and at wide open throttle - hesitation on acceleration - rough idle - check engine light with O2 sensor heater codes Fix - replace blown fuse for the O2 heater Tests"
YouTube Link 2011-11-05T16:57Z 469K followers, 123.9K engagements

"How to test a fuel gauge (tank sending unit) P0463 - GM P0463 Fuel Level Sensor Circuit Signal High/Open trouble code. In this video I will show you how to test a fuel tank sending unit (float). Typically the spring loaded fingers that ride on the resistor in the tank will break off ruining the sending unit. The only fix is to replace the float as an assembly or try to piece a new resistor assembly into the existing sending unit. The electrical design of the fuel tank sending unit that GM uses is identical in operation and testing as a temperature sensor. The difference is in what changes the"
YouTube Link 2012-02-16T20:19Z 468K followers, 259.2K engagements

"Transistor Drivers and Output Solenoids Circuit ID Testing Over [---] training videos now on my website with new uploads every month This clip was taken from my SDP [---] playlist: SDP Day [--] Part [--] - Continued Circuit ID Energizing Outputs Jumper wire/t-pin warnings Live testing https://scannerdanner.com/scannerdanner-premium-chapters/new-series/665-sdp-day-10-part-2-continued-circuit-id-energizing-outputs-jumper-wire-t-pin-warnings-live-testing.html 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉"
YouTube Link 2025-12-20T16:00Z 477K followers, 24.1K engagements

"How to test a cam or crank sensor with a voltmeter - hall effect type - (Quick Tips) Power ground and signal testing is shown in this video and can be applied to ALL hall effect type sensors. Understanding that a digital voltmeter will only show an average reading of fast changing signals is the key to understanding how to test these types of sensors without a lab scope. Here are the original videos (2) this quick tip video was pulled from https://youtu.be/yp_kK6U8a64 https://youtu.be/irHVjFTq4LE ScannerDanner Tools: https://www.scannerdanner.com/tools.html"
YouTube Link 2020-04-24T23:16Z 467K followers, 219.9K engagements

"Why Techs Avoid Diagnostic Jobs In our field a tech would rather grab that brake job and state inspection ticket over that check engine light because the tech is not being compensated enough It should NOT be this way The electrical and electronics tech in a shop should be compansated for ALL of their time and garages should be charging accordingly for it. BUT here is the key This particular tech I am speaking of is 98-99% accurate on ALL of their calls. That's misdiagnosing one or two out of every [---] cars they see. Find a tech like this and they are worth their weight in gold and a shop"
YouTube Link 2023-02-14T21:02Z 470K followers, 57.1K engagements

"Ford EEC IV No Spark Diagnostics Class - Part [--] This will be a [--] part series and even though this is an older system the techniques being taught in this class apply to ALL ignition systems Even on today's cars. #ScannerDannerPremium #onlinetechniciantraining ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY"
YouTube Link 2023-07-28T22:00Z 467K followers, 21.2K engagements

"How to test an igniter on a Toyota/Lexus The procedures shown in this video will help you isolate the cause of a no start no spark condition on a Toyota or Lexus system that uses an igniter built separately from the ignition coil. On [--] and [--] wire coil over plug systems the igniter is actually built into the ignition coil. Similar procedures can be performed on those designs as well. With any no spark condition you need to determine if you have an input or output problem. If you can simulate the signals the engine computer uses to control the igniter you can troubleshoot the problem area very"
YouTube Link 2011-08-09T19:04Z 468K followers, 270.6K engagements

"2013 Chevy Impala No Start - Ignition Relay Low Voltage Codes (P1682 P0689) In this video I will walk you through testing the ignition engine and main relays and how to determine if the fuse box or power distribution box is faulty. Here is the link to Mitchel [--] DIY mentioned in the video https://eautorepair.adtrk.biz/a=10817&c=24&p=r&s1= ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an"
YouTube Link 2020-05-16T16:00Z 466K followers, 86.6K engagements

"They've Been Dealing With This For [--] YEARS - Is It Fixed Link to part [--] - https://youtu.be/ult80UQVJwU Link to part [--] - https://youtu.be/gPT_E84zYNg 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"
YouTube Link 2025-12-06T16:47Z 477K followers, 11.4K engagements

"How to perform a compression test with a scope (Verus-Vantage) Relative compression test using the Snap-On Verus. You do not need a Snap-on scope to do these tests. The same procedure can be followed using any Lab Scope. Testing procedures shown: - how to use starter current to determine cylinder compression - how to synchronize the starter current pattern with an ignition firing event to determine exact cylinder location Tools used: - Lab Scope - Low amp probe - High amp probe (preferred) - Secondary Ignition Pick-up Related Videos: - How to perform a compression test with a scope"
YouTube Link 2011-08-04T04:47Z 473K followers, 213.3K engagements

"350 mA Parasitic Draw This Shouldnt Be Hot This clip is one diagnostic clue. The full process is in the full video. #parasiticdraw #automotivediagnostics"
YouTube Link 2026-01-05T18:00Z 477K followers, [----] engagements

"They've been dealing with this for [--] years 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive case"
YouTube Link 2025-11-21T21:49Z 477K followers, 15.3K engagements

"Fuel pump electrical circuit diagnosis (no fuel pressure testing) GM [----] Chevy Astro [--] 3L The procedures shown in this video can be applied to a wide variety of GM vehicles over many different model years that are using a distributor type ignition system. I will be showing the following: [--]. How to test for a fuel pump prime [--]. How to test for spark [--]. How to test for a distributor reference signal (RPM input) [--]. How to bypass the ignition module [--]. How to trigger the ECM to fire the injectors and run the fuel pump [--]. How to test a fuel pump relay For more information on this topic I have"
YouTube Link 2015-12-23T07:48Z 471K followers, 557.3K engagements

"MAF Sensor Testing- What REALLY Matters Join us in the classroom for this quick lecture on Mass Airflow Sensors. This is a portion of a full length lecture from my book. For more lectures and additional case studies join us over at ScannerDanner Premium We have a [--] day free trial https://www.scannerdanner.com/join-scannerdanner-premium.html ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as"
YouTube Link 2022-11-05T16:00Z 468K followers, 60K engagements

"Why am I not getting shocked by this ignition coil #automotivediagnostics Full video linked in this short but just in case you missed it here is the link https://youtu.be/1e2OOykM8t8si=wCKqWsPPbZqJWhPe"
YouTube Link 2025-05-25T13:25Z 469K followers, 29.7K engagements

"Troubleshooting a Bad TCM - CAN and Sensor Ground Circuit Problems What happens to CAN signals on the entire network when one module has a bad ground Can this problem be missed if the network is not measured a certain way How do you isolate which module is causing the problem When main grounds test good on the affected module can testing a sensor ground or the 5v ref circuit aid in your diagnosis Watch this video to answer these questions symptoms: No communication with transmission control module causing a no crank no start condition. Related video: Sensor grounds and the 5v reference"
YouTube Link 2022-08-13T16:00Z 471K followers, 203.9K engagements

"Ignition Coil Firing Continuously with Key On Here is the full video https://youtu.be/qjqRt2-wItQsi=WWwugeE-L7UU0Hxs"
YouTube Link 2024-03-15T13:52Z 469K followers, 19.8K engagements

"Old Examples. Modern Diagnostics The cars change but the principles dont. In this clip I break down an older Ford Taurus case study to show how the same fundamentals apply to modern vehicles including a [----] Toyota with a $2000 engine computer. Before replacing expensive modules its critical to check powers grounds the 5V reference circuit and communication signals first. If you want to be $2000 confident in your diagnostic calls this fundamentals-first approach is exactly what I teach in my classes. 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"
YouTube Link 2025-12-24T14:29Z 477K followers, [----] engagements

"How to test an O2 sensor for accuracy #techtraining The best way to force an air/fuel mixture lean is using the decel fuel cut mode. This test was primarily used in this case study to gauge the function of the upstream wideband oxygen sensor"
YouTube Link 2023-12-06T15:21Z 466K followers, 11.1K engagements

"AF Ratio and O2 Sensors Determining Rich and Lean Signals #oxygensensor #autotech #automobile Link to full length video https://youtu.be/J4-5eAsbgCw 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html"
YouTube Link 2025-10-24T16:02Z 468K followers, 11.1K engagements

"Alternator Rotor Field Testing (Bad Brush Contact) #mopar #alternator #voltageregulator Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium"
YouTube Link 2025-10-23T13:38Z 466K followers, 14K engagements

"Interested in learning more about scopes and scan tool usage Check out www.scannerdanner.com 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth"
YouTube Link 2025-12-11T15:34Z 477K followers, 10.6K engagements

"Teaching "Dangerous Methods" Part of a class I taught on Output Solenoids and Transistor Drivers. (chapter [--] in my book) Sign up for more at https://www.scannerdanner.com/join-scannerdanner-premium.html"
YouTube Link 2025-12-22T17:08Z 477K followers, 11K engagements

"They've Been Dealing With This For [--] YEARS.Part [--] Link to part [--] https://youtu.be/ult80UQVJwU 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth"
YouTube Link 2025-11-29T17:01Z 477K followers, 17.1K engagements

"We made the call. But was it right Full follow-up drops tomorrow"
YouTube Link 2025-12-05T18:40Z 477K followers, [----] engagements

"Opposite Fuel Trims: Bank [--] Negative Bank [--] Positive Part [--] The Picoscope and Pressure Transducer used in the fuel rail to gauge injector pressure drops reigned supreme in this video @PicoScopeAutomotive @picotech 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for"
YouTube Link 2025-11-01T16:00Z 477K followers, 14.4K engagements

"Intermittent Stall Rough Idle Hard Starts [----] Chevy Trax 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"
YouTube Link 2025-09-20T14:43Z 468K followers, 14.8K engagements

"How to test a fuel injector circuit with basic tools (open control wire) This is an open circuit test procedure using a test light and a voltmeter. Just some simple tools and knowledge of the circuit is needed. Also the procedures shown in this video can be applied to ANY ground side switched circuit. This video was taken from a [--] part training series I did for my students on various ways to identify a misfire and restricted exhaust testing. You can find this [--] part series here https://www.scannerdanner.com/scannerdanner-premium-chapters/misfire-case-studies.html For more information on this"
YouTube Link 2015-07-26T00:56Z 471K followers, 742.5K engagements

"Testing A Starter Circuit Test Light vs Voltmeter #uActivate No crank diagnostic fundamentals. Starter Motor Testing. #uActivate Interested in the ground extension block I used Reach out to my friend Joe Caci at Joesautoelectric.net ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car"
YouTube Link 2025-03-22T16:41Z 469K followers, 44.2K engagements

"Throwing Parts at a Problem Can Create MORE Problems You can join my classes online here: https://www.scannerdanner.com/join-scannerdanner-premium.html $11 a month gives you access to over [---] videos and counting (over [---] hours of training material)"
YouTube Link 2024-08-06T11:36Z 466K followers, [----] engagements

"How Would You Charge For This Intermittent Lean Condition ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"
YouTube Link 2025-02-18T21:22Z 444K followers, [----] engagements

"Ford EEC-IV No Spark Diagnostics In this video I will walk you through a no-spark diagnosis on this old school EEC-IV ignition system but don't let the age of the truck lead you to believe that the tests shown are no longer relevant. The techniques I use on the system I am still using on todays cars ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more"
YouTube Link 2021-11-06T00:41Z 474K followers, 139.5K engagements

"The Injector Test That Fooled Me Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my"
YouTube Link 2025-11-05T22:44Z 477K followers, 19.8K engagements

"What does it take to call a bad ecm This clip was from our latest case study/class on showing all of the tests necessary to call a bad ECM. Sign up for the free trial we offer on my website at scannerdanner.com ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become"
YouTube Link 2024-05-27T20:50Z 468K followers, 21.9K engagements

"A/C Clutch Does Not Engage-Diagnostic Fundamentals (full charge) The procedures shown in this video can be applied to any A/C system that has a full system charge but the A/C clutch is not engaging. (2008 Mazda 3) Interested in any tools that I am using See links below:"
YouTube Link 2019-08-13T15:18Z 466K followers, 584.2K engagements

"Using the O2 Sensor at Wide Open Throttle to Determine Fuel Delivery known good This is the main test I use for direction with a low power condition. If your O2 sensor drops lean during this test you have a fuel delivery issue (low fuel psi and MAF issues are most common)"
YouTube Link 2024-03-24T00:19Z 467K followers, [----] engagements

"Testing CAM-CRANK Sensor Relationship on a Picoscope This test is useful to help identify a jumped timing chain or belt. In this video I cover: How to connect the scope set up time base and sample rate inductive vs hall effect differences and saving waveforms to share with others. Related videos: Picoscope Basics Part [--] https://www.youtube.com/watchv=81AGbZcgCZs Picoscope Basics Part [--] https://www.youtube.com/watchv=ntJJYhkmR4I For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper"
YouTube Link 2018-02-19T17:55Z 468K followers, 117.1K engagements

"Honda Accord GDI Running Rich P0172 #shorts From our latest case study on SD Premium https://www.scannerdanner.com/join-scannerdanner-premium.html ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to"
YouTube Link 2022-10-06T13:54Z 472K followers, 26.6K engagements

"Shorted Ignition Coil Primary Winding DON"T LET THIS FOOL YOU So many people do not understand how simple it is to verify ignition coil control and instead choose to swap out a coil to see if that fixes their no spark issue. Learn these testing methods and you will never have to waste money again ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more"
YouTube Link 2025-01-25T19:56Z 469K followers, 24.4K engagements

"Quick test for a bad head gasket (HCs in the cooling system) 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"
YouTube Link 2025-10-28T16:21Z 477K followers, 14.7K engagements

"96 Jeep No Start No Com with PCM No 5v reference (Quick Tips) No start no communication with the engine computer no 5v reference fundamental testing methods that apply to ALL cars ALL makes and ALL models. Here is the original series this video was pulled from it was a [--] minute case study that we cut down to [--] with some updates for the last [--] minutes giving us 19:34 for this quick tip video. [----] Jeep No Start Case Study Part [--] https://youtu.be/a-d6-jrGidA [----] Jeep No Start Case Study Part [--] https://youtu.be/jLwNcgtv9z0 [----] Jeep No Start Case Study Part [--] https://youtu.be/dCZdv-FYwxw Here"
YouTube Link 2020-05-01T16:00Z 470K followers, 225.2K engagements

"This Car is Kicking my A** When we are in the trenches and feeling defeated we have to remember that it is these moments that stretch us and grow us the most"
YouTube Link 2025-10-29T11:39Z 477K followers, 13.1K engagements

"Why is the injector shutting off #misfire #mechanic Is the injector not firing causing the misfire Or is there a misfire causing the ECM to shut down the injector to protect the cat"
YouTube Link 2025-03-07T12:51Z 474K followers, [----] engagements

"A/C Compressor Clutch Circuit Testing All Cars + Recharge [----] Ford F-150 5.0L A/C System Clutch Circuit Testing Electrical Repair and Recharge (topping off a slightly low system using gauge pressures as a guide) 00:00 - intro 00:16 - system pressure test 00:55 - full code scan of all modules 01:12 - Engine Computer Air Conditioning Request Input Test 02:10 - bi-directional test with scan tool 03:07 - A/C clutch tap test 03:54 - testing of the circuit at the A/C relay begins 05:11 - need highlight changed 05:55 - testing the ECM driver 06:32 - continuity test for the clutch (open found) 10:25"
YouTube Link 2025-08-16T16:35Z 466K followers, 15.4K engagements

"No Start Testing Basics - Spark Injector Pulse and Fuel Pressure (Hyundai Santa Fe) The procedures shown in this video can be applied to all cars First we test for spark then injector pulse before finally focusing on the fuel pump and related circuitry. The vehicle being tested is a [----] Hyundai Santa Fe 2.7L Related videos Testing CAM-CRANK Sensor Relationship on a Picoscope https://youtu.be/ogfStIqiONk - How to test fuel pressure injector pulse and spark with basic tools - Honda https://www.youtube.com/watchv=SUxagOAVS5M - Symptoms and Causes of Low Fuel Pressure (Part 1)"
YouTube Link 2018-01-20T16:35Z 469K followers, 402.2K engagements

"Something Is Very Wrong Here This O2 heater circuit just pulled a massive amount of current. That shouldnt happen and its dangerous for ECU drivers. engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair ScannerDanner Premium automotive electrical systems check engine light diagnostic training troubleshooting electrical faults auto mechanics auto mechanic training online auto mechanics engine performance diagnostics technician training auto technician training rosedale tech auto repair ASE L1 how-to DIY auto repair"
YouTube Link 2026-01-14T15:49Z 477K followers, 17.4K engagements

"2014 Hyundai Elantra Intermittent Stalling P0335 Crankshaft Position Sensor "A" Circuit Symptoms : Stalling when coming to stops tachometer quits working long or extended crank time after stall engine runs fine while accelerating. Some engine design (like this one) will continue to run without the crank signal while other designs will not. Typical symptoms of a faulty crankshaft position sensor would be a no start. This video may be used as a guide for how to test an inductive type cam or crank sensor. Other names applied to this type of input: Variable Reluctance Sensor Magnetic Pulse"
YouTube Link 2018-03-01T14:10Z 469K followers, 164.3K engagements

"Coil vs. Plug: What Failed Proven Diagnostic Test Full video linked in this short 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures"
YouTube Link 2025-12-02T21:49Z 477K followers, 12.9K engagements

"No Spark Testing - Shorted Ignition Coil Here is the link to the video mentioned https://youtu.be/-4gXrLgUrUE ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to"
YouTube Link 2025-03-29T15:38Z 469K followers, 13.9K engagements

"They've Been Dealing With This For [--] YEARS. Link to part [--] https://youtu.be/gPT_E84zYNg 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom"
YouTube Link 2025-11-22T16:27Z 477K followers, 28.7K engagements

"How to troubleshoot/bypass a GM VATS Passlock Passkey System In this video I will show you how to troubleshoot and repair or bypass if you wish a GM anti-theft system that has a resistor "pellet" in the key. Dashboard messages "Theft System Problem" "Car may not restart" "Starting Disabled Due To Theft System" Tools used - Milwaukee 2456-20 M12 1/4 Ratchet tool Only (Substitute to what I used) http://amzn.to/2fvrLiN - Milwaukee 48-11-2401 (2) M12 RED LITHIUM [---] 12-Volt Lithium-ion Cordless Battery and (1) 48-59-2401 12Volt Lithium Battery Charger NEW http://amzn.to/2fsEBv7 - uTest Advanced"
YouTube Link 2017-07-11T10:00Z 466K followers, 259.5K engagements

"Comeback (misfire after injectors an HPFP replacement) #gdi #misfire [----] Ford 1.6L Ecoboost that is back with a misfire. This engine had [--] new injectors and a high pressure pump installed about [--] months ago. "Stuck Open Fuel Injectors (GDI) Part [--] (symptoms and troubleshooting)" https://youtu.be/NBqkJG500yk "Stuck Open Fuel Injectors (GDI) Part [--] (cause and fix)" https://youtu.be/XlM0rgio4U4 "GDI Misfire "Comeback" What Did We Miss" https://youtu.be/OozVxcVD3jM"
YouTube Link 2025-04-11T22:30Z 466K followers, 13.5K engagements

"Diagnosing a Ford [---] Cam Timing Issue Before You Tear It Down This vehicle (2013 Lincoln Navigator 5.4L) came in with a P0017 cam/crank correlation fault and nearly [--] of cam advance at idle on one bank with misfires showing up on the opposite bank. At first glance this looks like a straightforward timing chain / phaser job. But making that call without proving whats actually wrong is how techs get buried in expensive mistakes. In this video we slow the process down and focus on decision-making before teardown. In this case study youll see: - How scan data can point you in the right"
YouTube Link 2026-01-24T17:59Z 477K followers, 11.4K engagements

"Misfire Diagnostics with a uScope #ignitioncoil #misfire #sparkplug #aeswave #uscope #mechanic"
YouTube Link 2024-02-02T12:34Z 469K followers, 13.1K engagements

"Snow vs. Ignition Coils: My Most Unorthodox Diagnosis Yet 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book"
YouTube Link 2025-11-28T14:31Z 477K followers, 23.7K engagements

"Negative Fuel Trim Bank [--] - Positive Fuel Trim Bank [--] Do you trust your process Can you eliminate possibilities along the way with solid testing procedures This clip for our recent SD Premium series covers exhaust backpressure testing and head gasket testing. Full video this clip was pulled from: Ford F-150 - Negative Fuel Trim on One Bank Part [--] https://www.scannerdanner.com/scannerdanner-premium-chapters/chapter-18-fuel-injector-testing/888-ford-f-150-negative-fuel-trim-on-one-side-part-1.html Ford F-150 - Negative Fuel Trim on One Bank Part 2"
YouTube Link 2025-01-04T17:00Z 469K followers, 19.3K engagements

"How to test a crank sensor with a voltmeter The tests shown in this video apply to camshaft crankshaft and vehicle speed sensors on ALL Chrysler models in all production years. The vehicle being tested is a [----] Jeep with a 4.0L engine. Chrysler has changed very little in regards to their hall effect sensors throughout the years. Older systems used an 8-9v reference circuit (power supply) where the newer systems use 5v. And with all of them the signal circuit is a 5v pull-down design. Engine Performance Diagnostics chapter [--] pages 20-29 Tests shown - how to check a crank sensor with a"
YouTube Link 2011-10-18T04:35Z 468K followers, 615.7K engagements

"2002 Chevy Cavalier No Start (a direction based approach) In this video I will show you how to use simple fast testing methods to determine diagnostic direction with a no start condition. All tests shown can be applied to any vehicle aside from the GM Type [--] ignition coil test. While Snap-On diagnostic tools were used in the video any basic code scanner and multimeter could be used with the same results. Engine Performance Diagnostics chapters [--] [--] and [--] Symptoms - crank no start - no check engine light operation - no communication Tests shown - how to use a scan tool to check for PCM"
YouTube Link 2012-08-16T04:29Z 467K followers, 349.2K engagements

"How to find a shorted ignition coil with a lab scope (Quick Tips) Here is the original video from 2011: How to find a shorted coil on a Ford [---] engine (misfire diagnosis) https://youtu.be/6kvYjYT1_mM ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto"
YouTube Link 2020-10-07T01:59Z 457K followers, 36.4K engagements

"99 Honda Civic No Spark Diagnosis with a Test Light I will show you how to troubleshoot the entire ignition system including cam and crank signals ECU to igniter control and igniter to ignition coil control using a simple test light. A follow up test will be done with a small single channel lab scope showing yet another way to verify the same condition. Engine Performance Diagnostics chapter [--] Symptoms - no start Fix - replace faulty ignition coil Tests shown - how to test for spark and injector pulse with an incandescent test light - using injector pulse as a guide for good cam and crank"
YouTube Link 2016-09-23T10:43Z 463K followers, 278.4K engagements

"No crank no start diagnosis (bad block ground) - Ford SHO How to troubleshoot a bad engine block ground with just a simple test light. The key with this type of troubleshooting is in understanding how to "load the circuit" which in this case is achieved by holding the key in the crank position. Engine Performance Diagnostics chapter [--] Symptoms - no crank starter does not engage - various dash lights flickering on and off Fix - relocate engine ground to the block Tests shown - how to "load the engine block" - how to test for a bad battery cable - how to test the engine block ground circuit"
YouTube Link 2016-07-29T10:00Z 465K followers, 206.8K engagements

"Using Fuel Trim After a Repair. Did you fix it 📘 Want to Learn More About Diagnostics Check out my field manual Engine Performance Diagnostics available as both an eBook and paperback at: 👉 https://linktr.ee/scannerdanner 🔧 Looking for Deeper Training Whether you're a DIYer an aspiring tech or a professional looking to sharpen your skills join ScannerDanner Premium for next-level diagnostics training: 👉 Join Here [--] Days for $1 https://www.scannerdanner.com/join-scannerdanner-premium.html On ScannerDanner Premium you'll get: *In-depth classroom lectures straight from my book *Exclusive"
YouTube Link 2025-09-24T22:33Z 465K followers, [----] engagements

"Oxygen Sensor Testing with a Voltmeter False or Actual Lean Signal Testing the oxygen sensor. Is it lying to me False Lean or Actual Lean signal"
YouTube Link 2024-06-23T12:56Z 420K followers, 10.6K engagements

"Bad Engine Computer or Open Control Wire Ground Side Switched Circuit [----] Mazda [--] No Communication With PCM No Start No Crank (full video link https://youtu.be/UC3tvlHvm8k)"
YouTube Link 2024-03-31T12:21Z 414K followers, 23K engagements

"Oxygen sensor operation and testing (preview from ScannerDanner Premium) This is a preview I put together of my Chapter [--] lectures available on ScannerDanner Premium. For anyone interested in joining my class at Rosedale Technical College but cannot be there in person Ive created this channel for you. There is a 14-day free trial period so you will have plenty of time to review the content before making any financial commitment. On SD Premium youll find daily lectures that go hand-in-hand with my book (Engine Performance Diagnostics) playlists that mirror my class format as well as exclusive"
YouTube Link 2012-11-28T21:37Z 460K followers, 23.7K engagements

"EVAP vent solenoid wiring repair and testing P0449 A common problem with these EVAP vent valves is a broken wire inside of the insulation The wiring will look completely fine until you pull on the harness. In this video I will show you how to troubleshoot and repair this condition. Engine Performance Diagnostics chapter [--] Symptoms - check engine light (P0449 trouble code) Fix - repair broken wire to the EVAP vent solenoid Tests shown - how to repair a broken wire right at the connector - how to repair a wiring connector - how to test an EVAP vent solenoid (valve) - how to determine power and"
YouTube Link 2017-01-03T13:45Z 459K followers, 152.6K engagements

"Voltage drop testing a parking light/turn signal circuit [----] Dodge Charger left front Parking Light/Turn Signals not working. In this video I will show you how to properly test for a voltage drop using just an incandescent test light. We will also be repairing the circuit and reviewing a diagram to explain the back-feed condition the car was having"
YouTube Link 2019-10-15T20:23Z 462K followers, 114.6K engagements

"No Start Basics - What Are We Missing [----] Hyundai Sonata [---] Intermittent no start. If it does start it idles fine and will die and not restart as soon as you touch the gas pedal. No trouble codes in memory. 00:00 - no start introduction 01:12 - using the tachometer as a guide 01:51 - external fuel source failed 03:09 - ignition coil control testing with a test light 06:03 - fuel injector pulse test 09:00 - wiring diagram of ignition coil circuit 09:44 - bidirectional test of ignition coils 11:15 - will I get shocked 13:40 - test-light control test failed me (or did it) 16:39 - external fuel"
YouTube Link 2025-05-24T18:28Z 454K followers, 23.6K engagements

"Making a MOPAR Ballast Ignition System Fire on a Workbench This video is primarily for my friends @JAMSIONLINE for when they run my [---] Wedge on a stand during the break in process. This will also be extremally useful for anyone dealing with a no spark issue on their Chrysler Dodge or Plymouth (MOPAR) Ballast Ignition Systems - Here are some important links for this series so far: [--]. Did The Previous Owner LIE About Rebuilding This MOPAR V8 https://youtu.be/oa5pT7qq5-gsi=5wrxg5uKQRYS7Gzt [--]. Wiped Cam Lobe/Lifter After [----] Miles https://youtu.be/t5ze5UBjplU - Here is the no spark video I"
YouTube Link 2023-12-23T18:55Z 403K followers, [----] engagements

"Understanding circuit design is key ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"
YouTube Link 2024-04-12T14:40Z 413K followers, [----] engagements

"Testing Ignition Coils and Fuel Injectors (Intentional Shutdown) [----] Jeep Patriot [---] P0302 Cylinder [--] Misfire. Testing for Spark fuel injection pulse and compression (cranking sound test). Even if you do not have a lab scope you will still benefit from watching this process of determining the cause of the misfiring cylinder. ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or"
YouTube Link 2023-11-03T00:57Z 393K followers, 55.3K engagements

"Why you NEVER change a part based on a trouble code #automotive #troubleshooting Reading a trouble code and then changing a part based on that code is NOT a "diagnosis" We call people who do that "parts changers". DON'T BE A PARTS CHANGER"
YouTube Link 2025-09-01T14:47Z 463K followers, 11.6K engagements

"MAP Sensor Code P0106 caused by a dirty throttle body In this video Ill show you how to use scan data and service information to diagnose a P0106 MAP/BARO Pressure Circuit Out of Range code on a [----] Chevrolet Trailblazer. Reading and understanding the code information as well as the Snap-On Troubleshooter were key in repairing this fault. I also demonstrate how to safely clean an electronic throttle body a very common feature on modern vehicles of all makes. This false MAP sensor trouble code caused by a dirty throttle body in not unique to the Trailblazer. I have also seen this problem with"
YouTube Link 2012-08-30T02:31Z 455K followers, 281.3K engagements

"Bad Signal or Normal Electrical Noise (lab scope waveforms) ScannerDanner Tools: https://www.scannerdanner.com/tools.html https://www.amazon.com/shop/scannerdanner For more information on this topic I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training Whether you are a DIY trying to fix your own car someone looking to become an auto technician or a current auto technician that wants to get more into diagnostics subscribe to ScannerDanner Premium"
YouTube Link 2023-10-15T19:34Z 397K followers, [----] engagements

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