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Pontiac Problems

RepairPal has identified the most common problems for 19 Pontiac models based on complaints from 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 crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

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

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

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

The 2006-2009 Pontiac Torrent is known to have issues with the EVAP system, a part of your emission control system.

The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light, setting code P0446, and problems filling the tank with fuel.

To correct the issue, the EVAP canister vent valve, solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.

The 2004-2007 Pontiac Grand Prix is known to have issues with the EVAP system, a part of your emission control system.

The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light, setting code P0446, and problems filling the tank with fuel.

To correct the issue, the EVAP canister vent valve, solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.

The front window sash brackets may break causing the window to come off track. Our technicians tell us that new brackets are available and can be installed on the old window glass if it is not damaged.

Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cleaned or replaced if necessary.

The ignition module or an ignition coil may fail causing an engine misfire, the Check Engine Light may or may not illuminate. Diagnoses will be required to determine the cause and needed repair.

The fuel injection system for the 2.0L turbo engine places fuel directly into the combustion chambers. This is called "direct injection". Due to the high fuel pressure associated with this type of system a noticeable clicking noise can be heard from the fuel injectors.

The 30amp high speed cooling fan fuse may blow due to high start up loads associated with the high speed cooling fan motor. Our technicians tell us the high speed cooling fan wiring and fuse should be upgraded to a 40amp circuit to correct this concern. The fan wiring MUST be upgraded along with the fuse to handle the increased current flow.