P0455 Diagnostic Trouble Code Discussion for February 2010
EVAP System Large Leak
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| Help Request | Posted | |
| 2001 Volkswagen Cabrio GL 2.0L MIL Lamp on VIN: 3VWBC21V01 P0455: Gross evap leak. Dear fellow techs thank you for your time. I have leak tested and found no leaks except at the tank vent with engine on or off.I can manuel activate shut vent valve but it doesnt have a ground signal to shut vent .When should the vent shut solenoid operate.My ... |
February 04, 2010 | |
| 2006 Chevrolet Trailblazer LT 4.2L MIL Lamp on P0455: EVAP System Large Leak Detected. Vehicle came in for a MIL. Diagnosed and replaced faulty evap vent solenoid. customer returns with MIL on again. This time it has a p0171 system lean. Intake was removed and inspected for vac leaks and cracks(none found) and reinstalled with new gaskets. Throt... |
February 17, 2010 |
