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1999 Pontiac Grand Prix GT 3.8L Misfire
Posted to GM Driveability on 3/10/2009 13 Replies

missfire at idle code p0300 most evident at idle cylinder 4 missfire showing on scanner in the thousands. checked the above stuff all seems ok .just want secound opinion. thanks for the help in advance.

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  Related Documents & Media  1999 Pontiac Grand Prix GT

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix GT

VIN 1G2WP52K8X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix GT

VIN 1G2WP52K8X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel, Idle

Trouble Codes

P0300Multiple Misfire Detected