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1991 Pontiac Grand Am Problems

Find the most common issues based on 1991 Pontiac Grand Am owner complaints.
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Most Common 1991 Pontiac Grand Am Problems

The ignition coil housing may fail causing an engine misfire on one or more cylinders.
The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.
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1 Known 1991 Pontiac Grand Am Brakes Problem

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.

3 Known 1991 Pontiac Grand Am Drive Train Problems

The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be r...
The torque converter clutch can stick "on" after extended freeway driving causing the engine to stall when coming to a stop. Our technicians tell us when this occurs, the engine usually will rest...
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...

3 Known 1991 Pontiac Grand Am Electrical & Lights Problems

The head light aim may be out of adjustment after replacing one of the head light bulbs, This can be caused by the head light assembly not being correctly installed after bulb replacement.
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor...
If the ABS light on the instrument panel illuminates, our technicians recommend checking the brake lamps first. It could indicate that a brake light is not working or has burned out.

9 Known 1991 Pontiac Grand Am Engine Problems

The ignition coil housing may fail causing an engine misfire on one or more cylinders.
The engine vacuum hose to the MAP sensor may crack resulting in a vacuum leak causing the engine to run rough and/or stall.
The fuel pump may fail causing engine to stall and not restart.

2 Known 1991 Pontiac Grand Am Exhaust & Emissions Problems

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.
The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).

2 Known 1991 Pontiac Grand Am Heating & Air Conditioning Problems

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...
Our technicians highly recommend that the engine coolant be replaced every 30,000 miles.

1 Known 1991 Pontiac Grand Am Maintenance Problem

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

0 Known 1991 Pontiac Grand Am Miscellaneous Problems

2 Known 1991 Pontiac Grand Am Suspension & Steering Problems

The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
The high pressure power steering hose will commonly leak fluid; it should be replaced.

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Known 1991 Pontiac Grand Am Problems & Complaints

The ignition coil housing may fail causing an engine misfire on one or more cylinders.
The torque converter clutch can stick "on" after extended freeway driving causing the engine to stall when coming to a stop. Our technicians tell us when this occurs, the engine usually will rest...
This engine may leak oil from the valve cover gasket.
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor...
The fuel pump may fail causing engine to stall and not restart.
The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...
The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.
Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.
The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be r...
The high pressure power steering hose will commonly leak fluid; it should be replaced.
Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.
The spark plug wire rubber boots may get soaked with oil, causing a misfire or rough idle.
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