help!

I have a 2003 Pontiac Grand Prix with the gtx package on it from SLP. I was driving and had three of my wheel studs randomly snap so I’ve been trying to replace them, problem is with the gtx package they upgraded the suspension so the original wheel studs for the other trims do not fit. Just...

Finally changed the ICM and the alternator. The car started then shook like crazy for five minutes and shut off. The belt tensioner was moving more than normal I hope that's it. If not should I change my EGR valve? The wires going to it are already frayed.

It has 3 codes: P0301 (Cylinder 1 Misfire), P0446 (Evaporative Emission Vent System Performance), and P1174 (Fuel Trim Cylinder Balance). I’ve changed the coil spark plugs, replaced #1 coil. I’ve done 2 sea foam treatments. Idk what it could be. I don’t smell gas so I don’t think it’s a gas...

Okay so i posted a thread last month about my 1980 grand prix lj with the 265 4.3 it wouldnt start and i replaced the ignition coil plugs coil rotor button and cap only thing i havent replaced is the plug wires. I got the no start issue fixed. Fires right up now..Needless to say Ive replaced the...

My 2002 Grand Prix Gt has 112k miles and has started to jerk violently under heavy acceleration the rpms will drop to about 500 then rise up to about 2,000 rpm and this jerks the car really bad, i believe i have a cracked intake manifold i don't know if that could cause this problem or not if...

okay so here is my problem. It all started with my car not starting. So found out it was for some reason there is a issue with the ignition switch so my friend bipast the inginition switch and linked the starter and a push start button so my car would start properly(saving some money ). then my...