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In this video I will show you standard procedures I use to test the EVAP Purge and Vent Solenoids as well as leak tests that can be applied to any car, not just Nissan. I will be using a smoke machine to aid in my diagnosis (see link below on where to get one).
Engine Performance Diagnostics chapter 3
Topics discussed
- check engine light
- P0455 EVAP System Leak (Large)
- P0442 EVAP System Small Leak Detected
- replace stuck open EVAP Canister Vent Control Valve (solenoid)
- what basic visual inspections can you do for EVAP leaks
- how to test a normally closed purge solenoid
- how to test a normally open vent solenoid
- Bi-Directional Scan Tool (a lower cost alternative)- Autel MS905 MaxiSys Mini Diagnostic System
- Smoke Machine (a lower cost alternative)- OTC 6522 LeakTamer Smoke Machine Leak Detection System
- Digital Multimeter
- Incandescent Test Light
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Related videos:
- EVAP leak P0455 (vacuum cut valve-bypass valve test) - Nissan:
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Evap System Large Leak Detected P0455 (sticking vent solenoid) - Nissan :
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How to test a purge solenoid (Mazda P0443, P0455):
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GM EVAP Vent Solenoid Testing:
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How to test a computer controlled solenoid - power/ground side identification:
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For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available 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. There is a 14 day free trial.
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!