
2001 Cadillac DeVille 4.6L Misfire, MIL Lamp on
need help gm tech's. i have a 2000 cadillac deville dhs that keep's missfiring on #3 cylinder. i have checked compresson 150psi, changed plug's (ac delco) changed coil pack assy and even changed #3 fuel injector. it still has a missfire in #3 cylinder. re chec...
FIX posted 3/20/2008
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Message Closed w/FIX
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VIN | 1G6KE54Y5Y |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0303 | Cylinder 3 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2001 Cadillac DeVille
VIN | 1G6KE54Y5Y |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0303 | Cylinder 3 Misfire Detected |