Questions & Answers for: Pontiac Grand Prix diagnostics

heater/defrost motor only runs on high setting. 2001 pontiac grandprix Have you had your resistor pack checked?This is what controls your fan speeds,its the most common failure but sometimes the wire ...

2005 pontiac grand prix, code p0641 came on. What 2005 pontiac grand prix, code p0641 came on. What is this and is it dangerous? DTC P0641 The powertrain control module (PCM) provides a 5-volt ...

...are present, use the appropriate DTC diagnostic tables prior to performing Electric Cooling Fans diagnostics. Important: When certain Diagnostic Trouble Codes (DTCs) are present, the PCM may ...

shimmy in wheel when braking lightly shimmy in wheel when braking abs light is on run diagnostics check says hub assembly tried that was not then tried new rotors still no any ideas? Check what sensor

I have p0420 on my 06 pont gp gt. it mostly comes on after I slow down after highway Here is the trouble tree for that code it is most likely a bad cat but follow the trouble tree to see where it lead

...repairs.....until you have performed a the necessary preliminary 'diagnostic' checks. Diagnostics As your vehicle is equipped with an EFI engine, your engine EMISSION controls are ...

key fob stopped working fuse I pulled my stereo out and blown a fuse. Key fob doesn't open and close door anymore. What fuse do I need to replace? You would need to replace the lighting fuses ...

2006 GTO manual transmission will not shift into any gear with engine running...diagnostic scan shows no trouble codes After the dealer replaced a faulty ignition coil & wire on no. 6 cylinder, the ...

how do you know if your car jumped time? In most cases, it will not start, and has no compression. So it spins over very fast, or won't turn over at all. I think you can prepare a car diagnostic tool,

I have 1996 Pontiac grand Prix. I replaced the ICM, 3 coils, plug wires, plugs and Both crank sensors. Security light comes on 3SEC.I still don't get no spark. Please help me figure out what's wrong. ...