In this video I will cover secondary ignition misfire diagnosis using a lab scope.
The following waveforms will be shown:
1. A no fuel misfire
2. An open plug or wire
3. A shorted plug or wire
4. A coil output test
Engine Performance Diagnostics chapter 1 pages 13-15
Playlist
- (Chapter 1) Misfire ID, Compression Tests, Vacuum Leaks, Fuel Trim, Head Gasket, Restricted Exhaust, Low Power, DMM
[ Ссылка ]
Related videos
- How to find a misfire with no trouble codes (uScope)
[ Ссылка ]
- Ignition testing with a scope (Secondary Waveforms) - open plug wire [ Ссылка ]
- What does an open plug wire look like on a lab scope (uScope)
[ Ссылка ]
- Misfire Case Study (1999 Honda Accord)
[ Ссылка ]
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.
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On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!
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Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.
