Most Common Car Issues
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MOST COMMON PROBLEMS
PONTIAC Grand Prix 1991
The 1991 Pontiac Grand Prix SE is a classic 2-door coupe powered by a 3.1L V6 engine with multipoint fuel injection. Manufactured by General Motors in Kansas City, this passenger car combines sporty design with reliable performance. With a gross vehicle weight rating under 6,000 lbs, it's both agile and efficient.
Spec:
Engine Configuration
V-Shaped
Engine Manufacturer
CPC
Engine Number of Cylinders
6
Problems:
Oil leaks
Common in older engines, often due to worn gaskets or seals.
Overheating
Could be caused by a failing water pump, clogged radiator, or faulty thermostat.
Ignition system issues
Problems with the distributor, spark plugs, or ignition coils can lead to misfires.
Fuel injection problems
Dirty or failing fuel injectors can cause poor performance and fuel economy.
Vacuum leaks
Can lead to rough idling and poor engine performance.
Timing chain/belt wear
Over time, the timing chain or belt can stretch or wear out, leading to timing issues.
Exhaust manifold cracks
Common in older vehicles, can cause exhaust leaks and decreased performance.