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2002 Pontiac Grand Prix GT 3.8L Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 12/12/2006 18 Replies

Help guys, this one has me stumped. Vehicle was towed in with misfire and lack of power. Has a PO300 code in it. Vehicle starts and idles great. When you try to accelerate vehicle just falls on it's face and will not rev up. After you push the accelerater furt...

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car Vehicle Data

2002 Pontiac Grand Prix GT

VIN 1G2WP12K22
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire, MIL Lamp On
OccursAlways, on Accel

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2002 Pontiac Grand Prix GT

VIN 1G2WP12K22
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire, MIL Lamp On
OccursAlways, on Accel

Trouble Codes

P0300Multiple Misfire Detected