2006 Pontiac Montana P0449 Vent Solenoid

2006 Pontiac Montana

Pontiac Montana On the 2006 Pontiac Montana, the P0449 is a fairly straight forward code pointing to a problem with the EVAP Vent Solenoid Valve. On this vehicle, the Vent Valve is located on top of the fuel tank, mounted next to the EVAP Canister. To gain access, the fuel tank will need to be dropped. Carefully inspect the rubber and plastic lines to/from the vent valve and canister for any cracks, holes or disconnections. Inspect the electrical connector and wire harness to the vent valve for any loose, broken or…

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2005 Pontiac GrandPrix P1125 and P2138


Pontiac GrandPrix On the 2005 Pontiac GrandPrix,the P1125 and P2138 and directly related. These codes are pointing to a problem with the Accelerator Pedal Position Sensors. These sensors are built into and part of the accelerator pedal assembly. Carefully inspect the electrical connector and wire harness for any loose, broken or damaged wires. Inspect the sensors for any signs of water intrusion. If the inspection checks ok, the Accelerator Pedal Position Sensors will need to be replaced. Does your vehicle have a similar problem? Get connected to a Live Q&A session with…

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2001 Pontiac TransAm Anti-Theft

2001 Pontiac Trans Am

Pontiac TransAm On the 2001 Pontiac TransAm, when the vehicle will not start due to a “Security” light on the dash, SOMETIMES, if the problem lies in the reader internal of the ignition lock cylinder, you can reset the Security System with the 10-minute relearn procedure -Turn ON the ignition, with the engine OFF. -Start the engine (which shouldn’t start), then release the key but leave it on the “ON” position. -Watch the Security Light. After approximately 10 minutes, the Security Light will turn OFF. -Turn OFF the ignition, and wait…

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2002 Pontiac Sunfire P0440 EVAP Vent Valve

2002 Pontiac Sunfire

Pontiac Sunfire On the 2002 Pontiac Sunfire, he P0440 is pointing to a fault in the EVAP (emmisions control/recovery) System. Do a full inspection of the EVAP System and the vacuum lines and make sure there are no lines with cracks, holes or loose/missing connections. Give the EVAP Canister an inspection and make sure there are no cracks holes of dents. If the visual inspections check ok, then most commonly with the P0440 is a problem with the EVAP Vent Valve. The Vent Valve and Canister are located under the…

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1999 Pontiac GrandAm Fuel Level

1999 Pontiac Grand Am

Pontiac GrandAm On the 1999 Pontiac GrandAm, when the Fuel Gauge is not reading correctly, inaccurate or stuck on E/F, this is actually a very common GM vehicle problem. The fault here is going to lie in the Fuel Level Sensor. The Level Sensor is mounted to the side of the Fuel Pump Assembly, located inside the fuel tank. Carefully inspect the electrical connector and wire harness to the top of the fuel pump assembly, looking for any loose, broken or rubbed-through wires (inspect carefully, this is common!). If the…

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2006 Pontiac Torrent P0455 EVAP Leak

2006 Pontiac Torrent

Pontiac Torrent On the 2006 Pontiac Torrent, the P0455 is “EVAP System Large Leak Detected”. This is a very “general” code, and there is no 1-answer, “it’s this…” kind of answer. There will need to be some testing done. If you have already replaced the Fuel Cap, make sure the replacement cap meets Pontiac OE specs. Most after market caps (like from Auto Zone) do not meet specs. Locking or Universal caps also do not meet specs. If you are certain the Fuel Cap is good and sealing correctly, then…

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