1991 Pontiac Grand Prix GT 3.4L Poor Idle Quality, Surge, Stall
car has a bad rolling idle when hot in park,put the car in gear and it will idle ok,have tried resetting idle with scanner,replaced idle air control actuator,every thing on scanner looks ok,can't find any vaccum leaks,i am at the end of my rope with this car,t...
Summary posted 3/15/2004
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Vehicle Data1991 Pontiac Grand Prix GT
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Message Closed w/Summary
Vehicle Data
1991 Pontiac Grand Prix GT
VIN | 1G2WP14XXM |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Symptoms | Poor Idle Quality, Surge, Stall |
Occurs | Hot |