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2002 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on
Posted to GM Driveability on 3/8/2011 8 Replies

Hello all, thanks in advance for the advice. Car came in missing out on cyclinder #5 at idle. Once you give it some gas the miss goes away. I have swapped coils, wires, plugs, injectors and the miss always stays with #5. I am thinking maybe an internal vacuum ...

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  Related Documents & Media  2002 Pontiac Grand Prix GTP

 
Message Closed w/FIX

car Vehicle Data

2002 Pontiac Grand Prix GTP

VIN 1G2WR12192
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0128Cooling System Malfunction
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Pontiac Grand Prix GTP

VIN 1G2WR12192
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0128Cooling System Malfunction
P0300Multiple Misfire Detected