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1999 Cadillac DeVille 4.6L MIL Lamp on
Posted to GM Driveability on 3/1/2003 16 Replies

Hi folks, Have this '99 with a P-300. Cylinder #2 is the only cylinder that shows misfires. I can't duplicate the condition. I've tried under partial load, heavy load and idle in the shop and on a couple roadtests. I've swapped #2 plug and coil pack. The misfi...

16 Replies Received (View Replies)

  Related Documents & Media  1999 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1999 Cadillac DeVille

VIN 1G6KD54Y0X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Cadillac DeVille

VIN 1G6KD54Y0X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected