Pontiac Grand Prix Questions Maintenance & Repair
Heater Only Works When Accelerating
Just changed my water pump and now my heater only works when accelerating.
No Spark For Cylinders 1 & 4
Getting no spark from the coil pack with cylinders 1 & 4. I have replaced plugs, plug wires and the coil packs. What else could it possibly be?
2006 Pontiac Grand Prix Misfire
I recently just bought the Grand Prix it’s a 3.8L supercharged an it’s has a misfire I hooked it up to a scan tool an it read P0304 which is a misfire in cylinder 4. The car has a hard time startin...
Tensioner Pulley
Hoe do I take the tensioner pulley and arm off the assembly. Is that possible or do I just need to replace the assembly
Replace Engine On A 2007 Pontiac Grand Prix (with Supercharger) Or Buy A Ne...
I have a 2007 Grand Prix with a supercharger engine. Because of a gas leak that bled into the engine the engine needs replaced. The car is in great exterior/interior condition and has not had any me...
Where Is The Fuel Pump Located On A 94 Pontiac Grand Prix SE 2 Door?
I need to locate the fuel pump. possible issue for why car wont run. will turn over.
Help Me Pleaseeee!!!!
I have a 2007 Pontiac Grand Prix V6 3.8 non supercharged my fuel pump went out so I dropped my tank somehow what am I hose has gotten away from me do you guys have a diagram or something to show ...
Car Problem
My car will not go in drive 3rd,or 2nd . But work in every other gear
2007 Grand Prix Theft System Issues
I have recently purchased a 07 Grand Prix from a family friend on the premise of it having a bad transmission. When we got the new transmission in I realized that we put a GM 907 in there instead o...
Hot Steam Coming From Back Of Engine
Hot steam coming from back of engine. Overheats after I put new water pump on. What is making it overheat?
Check Engine Light
Hello, I have a 2004 Pontiac Grand Prix and whenever we go on the highway and it hits over 75 the check engine light comes on (second time happening) it never happens under that or anytime. We too...
Car Boggs Down At 2000 Rpm
I accidentally drove my car with the air filter box open and since then it won't run past 2000rpm , when I try to give it gas it Boggs down and starts running real rough and sounds like it's loading...
Limp Mode
How do I take my 06 Grand Prix out of limp mode if that's what is even going on with it ??
Abs Sensor And Transmission
I’m having issues with my abs sensor it’s been repaired three times and still goes on and stays on then the car acts like it’s slipping when braking and I can’t move the car..Also the lights stop...
Engine Start Failer Do To Anti Theft Lock System
Car start failer do to anti theft lock system
Why Am I Losing Coolant? Also My Car Loses Heat Periodically And Will Overh...
Trying to troubleshoot this I cannot figure it out I've changed the coolant bypass elbows, thermostat, water pump, did a coolant flush, add a brand new coolant and still cannot figure out why my c...
Stall
Car stalls, hard restart, then no tachometer
Discontinued Part
What can I use for part #12455154 used for years 1997>2003 ?
Second Hand Ecm
Replaced ECM in my 03 Grand Prix with second hand ECM. Car cranks, has spark, has fuel pressure, starts and shuts off.
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