GM "P0455 Large EVAP Leak" - What To Check When It's Not The Gas Cap

Come along with Eric O. and have a look at this 2008 Pontiac Torrent 3.4 with a "P0455 Large / Gross EVAP Leak." Now this a very common problem and is often misdiagnosed as a gas cap or a canister vent solenoid. In this video we have a look at the whole system from the canister vent, fuel tank pressure sensor and the often over looked purge solenoid.

GREAT EVAP VIDEOS FROM "WELLS TECH"

Wells TechConnect Ep.20--EVAP Leak Problem, But No Smoke is Found! (P0442, P0446, P0455) -    • EVAP Leak Problem, But No Smoke is Found! ...  

Wells CounterPoint Ep. 19 Evap System Problems...Where to Start (P0455, P0440, P0442) -    • Wells CounterPoint Ep. 19 Evap System Prob...  

Wells CounterPoint Ep. 26 - P0446 Vent System Performance - Diagnose & Fix it Right the First Time! -    • Wells CounterPoint Ep. 26 - GM P0446 Vent ...  

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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair 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 South Main Auto Repair, 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 South Main Auto Repair.