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1997 Cadillac DeVille 4.6L Misfire, MIL Lamp on
Posted to GM Driveability on 7/16/2005 12 Replies

i am baffled by this one!! the car has a misfire in the morning at startup then it goes away it has missfire codes for cyl's 1 & 3 only. the fuel pressure is perfect. the spark output is good and so is compression. the vehicle has all new injectors ,fuel press...

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  Related Documents & Media  1997 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0303Cylinder 3 Misfire Detected