2003 Cadillac DeVille 4.6L MIL Lamp on, Check Gas Cap Messag
This is the third time the car is present in our shop with this code and the "check gas cap" message. We smoked the evap system twice and never found a leak.
FIX posted 2/24/2006
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Message Closed w/FIX
Vehicle Data2003 Cadillac DeVille
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2003 Cadillac DeVille
VIN | 1G6KD54Y43 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Check Gas Cap Messag |
Occurs | Not Applicable |
Trouble Codes
P0440 | EVAP System Leak Detected |