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P0455 Diagnostic Trouble Code Discussion for July 2013

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2004 GMC Envoy SLE 4.2L MIL Lamp on
P0455: EVAP System Large Leak Detected. Thank in advanced I have a 2004 envoy 4.2 lt, changed the evap vent solenoid was sticking. Still have large leak code. Tested wiring and have 12 volts on both wires key on and engine running .With the scanner I can control ground and shut the vent solenoid off...
July 01, 2013
2007 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E37
P0455: large leak detected. Car has come in from a used car lot who sold it and now has a customer wanting the cel and fuel gauge fixed. Also wanted the gas cap missing warning fixed. I pulled the driver side sender and found it broken at the top. Installed a new one filled car to about ...
July 29, 2013