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1989 Pontiac Grand Prix 3.1L Hesitation
Posted to GM Driveability on 2/28/2009 27 Replies

Vin wrong I dont have it at this time. Car came in with hesitation at 1/4 thru full throttle falls flat on its face. Ran fuel pressure test 38 psi and scann codes. Tps locked at 1.54v no sweep disconnected battery Tps voltage good and sweep test good but hesit...

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car Vehicle Data

1989 Pontiac Grand Prix

VIN 1G25768787
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
SymptomsHesitation
OccursUnder Load
Message Closed

car Vehicle Data

1989 Pontiac Grand Prix

VIN 1G25768787
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
SymptomsHesitation
OccursUnder Load