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1987 Pontiac Grand Am 3.0L Misfire
Posted to GM Driveability on 9/24/1998

Missfire or engine vibration at 900 to 1100 rpm, more noticable in gear. Also idle surge sometimes. Exhaust smells.

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car Vehicle Data

1987 Pontiac Grand Am

VIN 1G2NW54L1H
Engine3.0 L / 6 cyl
EmissionsUS FED
SymptomsMisfire
OccursAlways, Under Load, 900/1100Rpm
Message Closed

car Vehicle Data

1987 Pontiac Grand Am

VIN 1G2NW54L1H
Engine3.0 L / 6 cyl
EmissionsUS FED
SymptomsMisfire
OccursAlways, Under Load, 900/1100Rpm