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International Automotive Technicians Network
2001 Cadillac DeVille 4.6L Misfire
Posted to GM Driveability on 1/21/2015 25 Replies

Thank all you Techs in advance. Customer complaint is misfire under acceleration during cruise. Confirmed complaint, cylinders 3 and 5 are worst offenders, but all will misfire sometimes worst then others. tried a new coil pack on rear bank (cyls 1357) and rep...

25 Replies Received (View Replies)

  Related Documents & Media  2001 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

2001 Cadillac DeVille

VIN 1G6KD54Y21
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel
Misc.New Engine and Trans

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 Cadillac DeVille

VIN 1G6KD54Y21
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel
Misc.New Engine and Trans

Trouble Codes

P0300Multiple Misfire Detected