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1999 Pontiac Grand Prix SE 3.1L Misfire
Posted to GM Driveability on 12/2/2002 8 Replies

Help please

This car has had an intermittant misfire #3 cylinder for quite a while and i'm unable to nail it down. There is no ryme or reason as to when the misfire occurs but when it does it is a catalyst damaging misfire, light blinking. When it occurs igni...

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  Related Documents & Media  1999 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix SE

VIN 1G2WJ52M4X
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix SE

VIN 1G2WJ52M4X
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected