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Grand Prix

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Question
There's a lawn mower sound coming from my engine when I'm driving
The noise could be due to an exhaust leak although it is also possible that a failed wheel bearing could cause enough "rumbling" to sound really loud. If you request a vehicle noise diagnostic the origin of the noise will...
Question
Can dodge challenger rims fit a 2002 pontiac gtp coupe
Hi There, Depending on the year of Dodge Challenger you are referring to, the bolt pattern will be different from that of the Grand Prix. There are several wheel options depending on the model Dodge Challenger as well which will...
Question
Hello I recently just replaced the water pump on my car but after a week of getting it fixed I still smell a burnt rubber smell an
Hi There, The temperature fluctuation is normally a reflection of a faulty thermostat. As you may know, the thermostat regulates the flow of the coolant in your car's engine and controls when the coolant flows in and out of the...
Question
Check engine light is on for the catalytic converter , I fixed one about a year ago. Is there a part needed, Frontback? Which part
Since your vehicle has a V shaped engine, it will likely have two catalytic converters. Since the engine is mounted transversly in the vehicle (because it is front wheel drive) there will be one converter on the front and one...
Question
error codes p0440 and p0404
Hi there. The codes you provided are commonly related to the EGR or Exhaust Gas Recirculation system; specifically the EGR valve or solenoid. You may want to read this article on what typically triggers these codes and possible solutions. ...
Question
No heater and overheating
The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core. As you may know, the heater...
Question
My front end shakes when I accelerate at low and high speeds 2003 Pontiac Grand Prixh
Hello - from your symptom description, you have a worn out or damaged Constant Velocity joints on one or both front axles. These worn joints allows excess "wobble" of the axle, especially when under power, creating the vibration you notice....
Question
New starter new battery
Hi there. After reading your question, it is possible that you have an ignition system failure occurring. In most cases like this, a cam or crankshaft position sensor (or the electrical harness attached to them) may be worn out, which...
Question
I have a burning smell in my car.
This is not likely. A dirty cabin filter filled with old pine needles is more likely to cause a moldy smell inside the vehicle. The burning smell may be coming from a a shorted circuit somewhere in the car. Consider...
Question
High beams come on whenever I use my right turn signal 2008 Pontiac Grand Prix
Hello - you have a wiring problem with the right front lights, most likely a bad ground for all the lights on the right, front corner of the car, but especially the right, front turn signal. I recommend an electrical...
Question
Frozen non-drive wheel. Will not turn at all
You won't know until you get the brake caliper off. If it is a brake problem, the caliper will be very difficult to remove but the hub will turn freely after you get it off. That could be a parking...
Question
Is there anyway to bypass the ac compressor they make bypass pulleys but can't find any for an 88 Grand Prix
As long as the a/c clutch bearing is not seized, it doesn't matter if the a/c compressor is locked up. As long as you do not turn the a/c on, this causing the clutch to engage and attempt to run...
Question
88 Grand Prix 2.8L. Idles fine in park but won't go over 2k rpms. Idles fine in drive but won't go over 30mph or 2k rpms
Hello, thank you for writing in. Everything you have done so far will only improve the performance once this issue is resolved, so do not loose hope yet. The only system it would appear you have not looked into would...
Question
What does it mean when your charging system failure light comes on out of no where while driving?
Hello, thank you for writing in. The vehicle is detecting an issue with the alternator or the battery. When supplied power from the system is too low or too high, the monitoring system will alarm you. You should have the...
Question
Idles fine in park But won't rev above 2,000 rpm and won't go over 30 mph. 1988 Pontiac Grand Prix
Hello. This can be caused by a number of things. I usually start by doing a compression test on the engine first. If the compression is low then the engine may be worn or it may need a timing chain....
Question
Lock / unlock buttons not working on key fob.
The key fob may have some broken buttons or the battery could be dying out causing the buttons to not function. If the key fob has been dropped, a contact point inside the electronics on the key fob could have...
Question
Car won't start
Hi there. I believe the security light being on and the car not starting issue is one in the same. The FOB needs to be programmed to the ECU of your Pontiac. General Motors cars have a procedure for "relearning...
Question
Where I could find the clips that hold the back seat cushion down on a 1999 Grand Prix GT?
Hello, thank you for writing in. Start by going to an vehicle upholstery shop to get an idea of what that exact piece is called, and what you can do about obtaining one. There are many types of clips, and...
Question
My key fob doesn't unlock my 2007 Pontiac Grand prix and my obd 2 reader won't connect.
As far as the malfunctioning key fob, it may be time for a new unit. The contacts may be worn out on the circuit board inside the device or the button may be worn and not making enough contact. You...

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