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1989 Pontiac Grand Am LE 2.3L Hesitation, LACK OF POWER
Posted to GM Driveability on 3/4/1998

HELLO, If you start this car and hold at 2000 rpm it runs fine until it reaches closed loop. At that time rpm drops and there is a lack of power or hesitation with steady throttle. Snap shot data stream, with tps at a steady .74v intregrator will quickly drop ...

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car Vehicle Data

1989 Pontiac Grand Am LE

VIN 1G2NE14D9K
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / EFI
EmissionsOBD1
SymptomsHesitation, Lack of Power
OccursAlways, After a Hot Soak, When First Enters Closed Loop
Message Closed

car Vehicle Data

1989 Pontiac Grand Am LE

VIN 1G2NE14D9K
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / EFI
EmissionsOBD1
SymptomsHesitation, Lack of Power
OccursAlways, After a Hot Soak, When First Enters Closed Loop