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P0455 Diagnostic Trouble Code Discussion for December 2014

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2005 Nissan Altima S 2.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1N4AL11D95
P0455: EVAP System Gross Leak Detected. Ok this nissan has been sitting over a year. Batt was toast, and did some brake work, got it running drove for a week or so and lite came on 420 i know is the cat it's toast, the 455 was vent stuck open thats fixed new vent valve. Now the 507, tried cleaning t...
December 03, 2014
1999 Volvo S80 2.9 2.9L rough idle, no accel VIN: YV1TS97D9X
P0455: EVAP. leak detection small leak. Thanks in advance guys! What the car does, is, intermittently goes into limp home type mode. CEL comes on and car will not rev over about 1,700-1,800. Will reset after a few tries of turning off and on. Started doing this about a week ago. I don't think the O2...
December 29, 2014