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2000 Pontiac Grand Prix GT 3.8L Misfire, MIL Lamp on
Posted to GM Driveability on 1/29/2014 17 Replies

Hi everybody looking for help on this one we did cylinder heads on this for a #4 burnt exhaust valve and we put it back together and it now misses only at idle on #4 cylinder we have swapped injectors, coils, wires, plugs, and put a ignition control module on ...

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  Related Documents & Media  2000 Pontiac Grand Prix GT

 
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix GT

VIN 1G2WP52K5Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix GT

VIN 1G2WP52K5Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected