1992 Pontiac Grand Am Problems

RepairPal has identified the most common problems with the 1992 Pontiac Grand Am as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

The instrument panel and switch backlighting may fail due to a faulty dimmer control module. A failed module will require replacement.

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 completely flushed.

The spark plugs should be replaced every 30,000 miles and the spark plug boots should be checked for hot spots and cracks.

Fuel injectors can short-circuit electrically causing a rougher than normal idle and reduced performance.

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 replaced to correct this concern.

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

The ignition coil housing may fail causing an engine misfire on one or more cylinders.

The oxygen (O2) sensor may fail causing the engine to burn to much fuel and may cause the check engine (SES) light to illuminate.

A weak battery or a burned out brake light bulb may cause the ABS light to illuminate.

The timing chain tensioner and guides are prone to wear and may develop an abnormal noise, requiring replacement.

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 technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

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 will commonly correct this concern.

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Our technicians highly recommend that the engine coolant be replaced every 30,000 miles.