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1997 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 11/21/2000

This car has intermittent trouble code PO306, Cylinder #6 misfire condition. Problem occurs after hot soak condition for about 10 minutes, then goes away and car works fine. The car misses and the light comes on. Fuel injector, spark plug and wires all have be...

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car Vehicle Data

1997 Pontiac Grand Prix GT

VIN 1G2WP12K7V
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAfter a Hot Soak, Intermittently

Trouble Codes

P0306Cylinder 6 Misfire Detected
Message Closed

car Vehicle Data

1997 Pontiac Grand Prix GT

VIN 1G2WP12K7V
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAfter a Hot Soak, Intermittently

Trouble Codes

P0306Cylinder 6 Misfire Detected