Pontiac Grand Prix Questions Maintenance & Repair

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When I Start My Car Up It Cuts Off!!

Morning start ups are good all the time. Only when I park/turn off my car for a few minutes or even a few seconds, and i go to start it back up it shuts off on me!! I give it gas then it starts up: ...

Ron Brock

How To Repair U0073 & U0100 Dtc Codes In A 2006 Pontiac Grand Prix?

Anyone Out There Know How To Repair U0073 & U0100 DTC Codes in a 2006 Pontiac Grand Prix? Car Is In Theft Mode. Communication Problems Between Computers. i.e. BCM Module & ECM Computer. Starter & Fuel...


Passenger Window Will Go Up But Not Down

i have a 06 grand prix 4 door and the p/s side front window will go up but not down. i have out a new window regulator and a new master switch

35 views with 1 answer (last answer about a month ago)

My Gas Guage Doesnt Read How Do I Fix It

Its always on E even after i maxed it with gas

23 views with 1 answer (last answer 2 months ago)

Key Stuck In The Ignition Of 2005 Pontiac Will Not Go Into The Off Position...

my key is stuck in my 2005 ignition and i cant get it out the car will come on but will not go to the off position i have been at this for hours any help will be welcomed i cant find the interlock to ...

54 views with 3 answers (last answer 2 months ago)

2000 Pontiac Grand Prix Whizzing Noise

Car started making a whizzing noise at approximately 60 mph and stopped as soon as I let go of the gas pedal. Suddenly while on the highway it made a loud rattling noise and that was the end of the ...

18 views with 2 answers (last answer about a month ago)
Jeremiah Shepherd

2006 Grand Prix Supercharged Engine Sputtering And Etc.

I recently purchased a 2006 Grand Prix GT 3.8L with a Supercharger. The vehicle ran great on my test drive, but after taking it home i noticed that there is a slight chug / sputter at low speeds ...

24 views with 1 answer (last answer 2 months ago)
Jacquie Tuttle

Wtf Is Wrong With My Car??!!! Scary Thing Just Happend Look At Below And Pl...

Using cruise control in my 2001 grand Prix coming up a mountain and it excelerated up to 80 and rpms shot to almost 7. I turned off cruise control and applied the brake but it just kept accelerat...

42 views with 8 answers (last answer 2 months ago)
Anthony Brown

What Is Making My Car Shake When Driving

Car vibrates when driving speed 30 and above

24 views with 2 answers (last answer 2 months ago)

Is There A Timing Mark On The Crankshaft Pulley When Replacing A Cranksaft ...

I replaced the crankshaft position sensor on my 1999 pontiac grand prix GT 3.8. Now the timing is off bad. Is there a timing mark on the harmonic blancer I need to know about.

18 views with 1 answer (last answer 2 months ago)

What Kind Of Wrench Or Socket Do I Need To Remove The Bolt On A 1999 Grand ...

I need to drop my gas tank on my 99 grand prix but one of the straps has a bolt an angle. how do I remove it?

20 views with 1 answer (last answer 2 months ago)

2008 Gran Prix Upper Radiator Hose Leak

leaks pass the hose opening, between hose and upper nipple, new hose and new clamp, still leaks

14 views with 1 answer (last answer 2 months ago)

Have 08 Grand Prix. Sometimes In The Morning It Just Cranks But No Start Fo...

fuel pump, tune up, crank sensor, and ignition control moduel have all been replaced and the car is still the same.


Hello, 01 Pontiac Grand Prix Gtx. 3.8 Bucks And Kicks When You Give It Some...

Wires, coil packs, egr, PVC valve, fuel pressure is 45 volume is qt in 15 sec. No codes.

13 views with 3 answers (last answer 2 months ago)

Where Is The Thermostat In A 1999 Pontiac Grand Prix 3.8l V6

I need to Locate the Thermostat on my 1999 Grand Prix, It is over heating suddenly & I was wondering if I could start with a possibly a cheaper fix than taking it in for diagnostics & a new water pum...

24 views with 1 answer (last answer about a month ago)
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