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1991 Pontiac Grand Am LE 2.5L Backfire
Posted to GM Driveability on 7/27/2000

Really need some help on this one. Have had this 1991 Pontaic Grand Am 2.5 Auto here for what seems like an eternity. Car came in with a running problem. Cold it was OK but the warmer it got it would start back firing through the throttle body and lose it's po...

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car Vehicle Data

1991 Pontiac Grand Am LE

VIN 1G2NE54U3M
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
SymptomsBackfire
OccursOn Accel
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Grand Am LE

VIN 1G2NE54U3M
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
SymptomsBackfire
OccursOn Accel