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Grand Prix

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Question
The exhaust system is loud when started, sound is more concentrated towards front of car. What could be the problem?
Loud exhaust noise could be due to deterioration or breakage of the internal baffles in components such as the resonator and muffler as well as leaks at pipe joints or even at the manifold on the engine. To determine the...
Question
2004 Pontiac Grand Prix short grinding noise
Many vehicles with ABS brakes have a self test system when the vehicle first begins to move. This causes the valves inside of the ABS hydraulic control unit to move up and down very rapidly. It is possible that you...
Question
How many motor mounts are in a 2006 pontiac grand prix?
There is one engine mount, one transmission mount and two torque strut mounts (left and right), so four units in all, although the strut mounts are 2 pieces each, so technically 8 pieces in all. The engine and transmission mounts...
Question
No reverse, car drives in neutral and drive
You may have a shifter cable problem with the cable ends. The plastic cable end bushing deteriorate and fall apart causing this problem and may require the shift cable to be replaced. Check cable end where it connects to transmission...
Question
High pitch squealing while accelerating. New water and power steering pump
Hi Brandon. Thanks for contacting us tonight. A squealing noise is typically caused by a loose belt - like a serpentine belt that drives the water pump on your Pontiac. It's also possible that one of the pulley's is causing...
Question
My car won't shift up right away when accelerating hard
To determine the exact cause of this issue, I would recommend having your trouble codes scanned by a qualified professional. If the check engine light is on, a code will be stored in your vehicle that can give an indication...
Question
I was driving today an my car completely stopped in the middle of traffic my steering wheel locks up an battery dead
Hi Rebecca. Thanks for reaching out to us tonight. When a vehicle stalls and loses electrical power like you've described, it can be very tricky to diagnose, since there are so many possible sources. In many cases, this can be...
Question
Broke fuse socket while replacing fuse
That's not an unusual thing to have happen, but it often means that the circuit in question has been overloaded for a while and the resulting heat has damaged the plastic that holds the little electrical contacts in place. somebody...
Question
I just recently had my ignition switch changed on my 2006 Pontiac Grand Prix now the car won't start and it triggered the anti the
Any time part of the ignition system or keys have been replaced on a vehicle that has a theft system installed from the factory will require reprograming the new keys to the vehicles theft system.
Question
Could a bad fuel injector be making my 2007 Pontiac Grand Prix smell like gas?
It's possible that a leaking injector or injector o-ring could be making your Pontiac smell like gas. These items could also cause driveability issues, such as the ones you describe.There are other potential causes as well though, such as a...
Question
Blowing cold air, overheating. Thermostat is new.
You either have a bad water pump impeller is worn down and not pumping fluid or the radiator is clogged. I would recommend having the engine checked for a blown head gasket checking to see of combustion gas is getting...
Question
2004 Pontiac Grand Prix charger system failure cane on the monitor what does that mean
Hi Chiffon. Thanks for contacting us tonight. The charging system failure warning light indicates that one of the components that make up the electrical charging system (your battery, alternator or the electrical wires connecting the two) are damaged. In most...
Question
What does it mean when I was driving my car and my steering wheel locked up and the car died out. It will not start back up again
Hi Jasmine. Thanks for contacting us tonight. Typically, anytime the engine stalls while driving, the steering wheel's power steering will not work correctly, which will cause it to "lock up"; so there is likely nothing wrong with the steering itself....
Question
I have a 2008 pontiac grand prix and it will go in reverse but not in drive.
Check to be sure the gear shift linkage is actually moving the "manual lever" on the transmission case into the forward gears. If it is really shifting, then check fluid level. Low fluid level, or a clogged filter, can cause...
Question
If radiator fluid is thick in my husband's 2007 Pontiac Grand prix 3.8L super charge what do I do?
Many of these vehicles came with Dexcool as the coolant. This coolant cannot be mixed with any other types of coolant or it can cause a sludge to build up in the cooling system. I would recommend having your cooling...
Question
Service Engine light flashing, rough at idle, loss of acceleration, but smooth over 40mph. PCV Valve or hose?
Hi Douglas. Thanks for contacting us today. It's is quite possible that the root source of this issue is a PCV valve or other vacuum leak. Knowing the OBD-II trouble code that is triggering the warning light would be a...
Question
05 grand prix 3800 engine over heating changed water pump thermostat hoses bleed the air off flushed the radiator got any advise
No heat in the cabin is a consequence of either a blockage, trapped air, or a faulty heater control valve. Apart from what you already replaced, the most common causes of overheating include low coolant level (including that due to...
Question
Q: Shifter
Yes, it is possible the loose shifter is a consequence of the ignition switch breaking as there is an interlock between the two. The recall relates to the ignition switch not retaining the key in the run position, thus potentially...
Question
My car cranks but won’t start 06 Pontiac Grand Prix
A wire could have been dislodged or disconnected beneath the dash. To get an indirect indication of this, check for spark at the spark plugs. If no spark, there is probably a primary side ignition system circuit that was "touched"...
Question
what should you change every year on your car
Besides an oil change you should have the air filter checked and replaced if needed. Also have tires rotated. Other than this you should follow the vehicles recomendations for higher mileages and have a complete check up on the suspension...

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