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1989 Pontiac Grand Am LE 2.3L Hesitation, Misfire, Poor Fuel Economy
Posted to GM Driveability on 1/30/2002 17 Replies

car came in no start replaced both coils and installed an ecm

car starts and runs fine cold once temp hits 190 or so when you give it gas it pops thru the intake and has a spark knock

no codes are present and all parameters are normal I am not familiar with ...

17 Replies Received (View Replies)

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car Vehicle Data

1989 Pontiac Grand Am LE

VIN 1G2NE14DZK
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / QUAD 4 VIN CODE D
SymptomsHesitation, Misfire, Poor Fuel Economy
OccursHot
Message Closed w/FIX

car Vehicle Data

1989 Pontiac Grand Am LE

VIN 1G2NE14DZK
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / QUAD 4 VIN CODE D
SymptomsHesitation, Misfire, Poor Fuel Economy
OccursHot