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1991 Pontiac Grand Prix SE 3.1L Poor Idle Quality, Hesitation, Stall
Posted to GM Driveability on 7/6/1999

CAR CAME IN THIS AM STALLING WHEN HOT AT STOPS. WE CAN MAKE IT ACT UP IN SHOP BY TURNING ON ANY HIGH LOAD [...] COOLING FAN STOP LIGHTS,HEAD LITES ECT. PROBLEM GOES AWAY WITH ALT. UNPLUGGED. REPLACED ALT AND PROBLEM STILL THERE(ACD REBUILD). WE ADDED GROUND AN...

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car Vehicle Data

1991 Pontiac Grand Prix SE

VIN 1G2WJ54T0M
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / PFI
EmissionsOBD1
SymptomsPoor Idle Quality, Hesitation, Stall
OccursAlways, Hot
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Grand Prix SE

VIN 1G2WJ54T0M
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / PFI
EmissionsOBD1
SymptomsPoor Idle Quality, Hesitation, Stall
OccursAlways, Hot