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1998 Pontiac Grand Prix SE 3.8L Misfire
Posted to GM Driveability on 8/11/2010 8 Replies

Car came in with dead miss on cylinder #4. Thuroughly checked ignition system. Swaped coils, no change. Swaped modules with a known good test one, no change. Swapped plug wires, no change. Swapped spark plugs, no change. System capable of producing 30,000 volt...

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  Related Documents & Media  1998 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Prix SE

VIN 1G2WJ52K1W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Prix SE

VIN 1G2WJ52K1W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected