1991 Pontiac Grand Prix SE 3.1L speed
The cruise control will always engage correctly and hold speed on level ground unless at higher speed, 55mph and above. If at high speed, the cruise control will not hold set speed for long periods of time. If going up hill, the speed will drop off, 10-15 mph,...
FIX posted 10/14/2004
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Vehicle Data1991 Pontiac Grand Prix SE
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Vehicle Data
1991 Pontiac Grand Prix SE
VIN | 1G2WJ54T7M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Affected | Speed |
Conditions | Slows on Hill |