Pontiac Grand Prix Questions Any type

What Does This Connector Do?

I found this by the fuse box and the battery. It seems to have an orange and a red wires going in but end up with two silicone/rubber ends. It is not severed. I opened it and it does not look like i...

Where Does This Loose Exposed Wire Found By The Fuse Box Go?

I found an exposed loose wire by the fuse box but couldn't figure out where it needed to go. The other end seems to come from back of the engine block and under the car and it runs under the radiato...

1971 Pontiac Grand Prix Grille

Where can I find a bottom front grille for my 1971 Pontiac Grand Prix ?

04 Pontiac Grand Prix Gt1 Cv Axle Removal.

When pulling out cv axle to replace, cv axle assembly came with it. Do that mean that the transmission is shot? If not how to i fix the problem at hand?

Car Sluggish, Sounding More Muffled Then Normal

In my car, when I was driving home a night ago, it just started acting sluggish and sounding more muffled. The car has a flowmaster 40 series muffler, so I was able to tell it is more muffled. Anyw...

10

How Long Should A Heater Core Flush Be Good For?

I had mine done in Dec 2022, I have a 2003 Grand Prix and last week had some overheating issues.

Will The Transmission For A 2005 Pontiac GTP

Need to know if a transmission from a 2005 Pontiac Grand Prix GTP will fit in my 2004 Pontiac Grand Prix GTP?

Remote Start Starts Then Dies, If You Remote Start Again, It Starts Fine

I sent my pcm into zzp to get it tuned, now the car doesn't want to remote start the way it should, it would start then immediately die, then if you remote start again, it sounds weak but does even...

No Anti Theft Security Light In Dash

2007 Grand Prix. Intermittant no power after stopping. Wanted to change the cylinder with new key. But the anti theft security does not light up on the dash to reprogram. What the heck is with that

Stuck Thermostat Bolts

Tried everything to loosen the bolts to change out my thermostat and nothing is working and I'm out of ideas

2007 Grand Prix Misfire

I have a 2007 pontiac grand prix, the car misfires a little(not enough to throw a code) on cylinders 3 and 6, it does have slight misfires on others but mainly these 2. I have already replace the s...

Reduced Engine Power

i have a 2005 grand prix, reduced engine light comes on, car has no power, we changed the gas pedal relay, cleaned the throttle body, exaust is new, trans was rebult 2 years ago, i checked all groun...

What’s The Biggest Engine I Can Fit In My Car?

What’s the biggest motor I can put in my 2001 Pontiac Grand Prix gtp supercharged

2007 Grand Prix, Remote Start Stopped Working After Pcm Replacement

I have a 2007 Pontiac Grand Prix, I replaced the factory PCM with a remanufactured PCM. Remote start worked before the PCM was replaced. Now the car won't start when using remote start. The car isn'...

1,875

Grand Prix Running Issues

I have a 2004 Grand Prix. After it idles for a while it will start running rough. The fuel trim will go to -25%, the MAP voltage will slowly climb to over 3 volts, the downstream O2 sensor will botto...

Obd 2 Port In 06 Pontiac GP Has A Short On The Second Prong

My 2006 Pontiac grand prix has a short on the OBD2 I tried programming remotes with a programer but it still doesn't work went to test the OBD2 with a circuit tester and it would flash power after ...

Bleeding A Coolant System

I put in a new thermostat and a temperature sensor on my 2006 Pontiac GXP with a 5.3 L engine but it continues to run hot how do I bleed the system

Is There A Right Hand Drive Version Of The Pontiac Grand Prix GXP?

Where Is The Fuel Pressure Regulator On A 2007 Grand Prix

My Key Will Not Turn Off And On It Goes In The Ignition And It Won't Turn?

I put the key in the ignition it will not turn at all it comes in and out and the dinger goes off but it will not turn when I parked my car I had no issues with it never had any problems with it tu...

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