2004 Cadillac DeVille 4.6L MIL Lamp on
Okay Caddy masters, this deville is driving me crazy. The code is P0455, and before the check engine light comes on it will read "check gas cap", and this fault returns within 10 miles of clearing it. So far I have of course replaced the cap, I have also repla...
FIX posted 5/19/2010
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Message Closed w/FIX
Vehicle Data2004 Cadillac DeVille
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2004 Cadillac DeVille
VIN | 1G5TR4EDF4 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0455 | EVAP System Very Large Leak Detected |