Engine RPM Jump Before Shifting 1999 Grand Prix

Question: Hi I have a 1999 Pontiac Grand Prix. I am starting to think that there is something wrong with the shift solenoid. The car is still in good mechanical condition, the check engine light …

My Pontiac Has Intake Gaskets Leaking- Is It Safe To Drive?

Picture of the GM 3.8L 3800 V6 Engine

I took my 2001 Grand Prix 3800 V6 engine (130,000 miles) into the dealer for a bit overdue oil change. After doing the courtesy inspection, a mechanic familiar with my car fills out a form …

How To Replace Pontiac Grand Prix Ignition Cylinder

GM Passkey chip in the key. Used on older GM cars and trucks for the security system that causes your vehicle to not start.

My 1994 Pontiac Grand Prix se ignition went out of it. The key has the chip in it. I cant lock my car anyhow. So wondered if i could replace that ignition with a regular …

Pontiac Brake Fluid Leak Repair And Diagnosis

We bought a 2000 Pontiac Grand Prix GT with 81,000 miles on it less than a week ago. The brakes have gone out. At first we thought the brakes were just wet and that is …

2004 Pontiac Grand Prix Catalytic Converter I/M Flag Not Ready

2004 Pontiac Grand Prix with a “2″ motor will not go “Ready” with the catalytic converter test for I/M testing. I went in the service manual and did the testing for P0420 where you run …

1999 Pontiac Grand Prix Vents Hot On Drivers Side- Cold Passenger Side

This controls the temperature of air coming out of the vents. When they go bad, the air stays cold or hot and you cannot adjust it.

1999 Pontiac Grand Prix. When I turn my heat on I get heat on the drivers side and A/C cold temperature coming out the passenger side. Same thing happens if I turn on the A/C.

Pontiac Grand Prix Catalytic Converter And ABS Codes

Spark plugs that have carbon tracking causes misfires

Check engine light codes problem with my 2002 Pontiac Grand Prix GT. 3.8L non supercharged. ABS, Track Off and Service engine soon. GM Computer codes  C0045, C0046, C0245, P0303, P0420, P0172.

Reason for code P0420 is …

2003 Pontiac Grand Prix Transmission And Catalytic Converter Codes

I have a 2003 Pontiac Grand Prix GT with a 3.8L Series II engine. I am having 2 different issues with this vehicle. First, the transmission has started jerking hard into gears. It seems that …

2001 Pontiac Grand Prix Check Engine Light

I recently replaced my EGR valve because the check engine light code came up on my car, along with that I also had to replace my catalytic convertor, from what the mechanic I went to said, …

2002 Pontiac Grand Prix Transmission Or Catalytic Converter

I have a 2002 Pontiac Grand Prix. Over the last few weeks i have had trouble with the can being jerky while accelerating also i tends to do this more the warmer the car gets …