1999 Mercury Grand Marquis LS 4.6L MIL Lamp on
car came back monday with mil on 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...
FIX posted 8/13/2009
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Vehicle Data1999 Mercury Grand Marquis LS
Trouble Codes
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Vehicle Data
1999 Mercury Grand Marquis LS
VIN | 2MEFM75W4X |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Hot |
Trouble Codes
P0455 | EVAP System Very Large Leak Detected |