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P0455 Diagnostic Trouble Code Discussion for December 2011

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2004 Saturn Vue 2.2L MIL Lamp on VIN: 5GZCZ23D04
P0455: EVAP System Large Leak (0.080") Detected. ... out over a couple months. First with the p0455, found canister vent was intermittently not audibly clicking when commanded (by Genisys, which ours sometimes dont work the best on newer GM's for whatever reason) so replaced it. Code back, tried smoke nothin...
December 17, 2011
2007 Audi A4 2.0L MIL Lamp on VIN: WAUAF78E47
P0455: EVAP system large leak detected - MIL ON. Hello, and happy holidays. We've got this Audi with one recurring code and a few newbies. The car originally came in two weeks ago with misfire and lean condition codes. After the quick diagnosis of the old try to remove the oil cap at idle trick, the crank ca...
December 20, 2011