P0455 Diagnostic Trouble Code Discussion for July 2009
EVAP System Large Leak
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| Help Request | Posted | |
| 1999 Mercury Grand Marquis LS 4.6L MIL Lamp on VIN: 2MEFM75W4X P0455: evap gross leak. ... running fine. has code for gross leak p0455. ran evap test with vcm and passes cold, i can run the test up to 8 times and passes. once i drive it and it gets hot it fails part one of the evap test, the large or gross test. if i let it cool it passes again ... |
July 01, 2009 |
