2001 Pontiac Grand Prix "causes misfire engine" Questions

...misfire causes a lag in crankshaft rotation, and the crankshaft position sensor senses it. Most of the problems pin these older 3.8 engines are coil packs or wires or plugs.. Can swap the coil pack ...

engine mechanical failures such as bad piston rings or leaking/burnt valves can be diagnosed with a simple compression test. An easy (and very inexpensive ) way to verify ignition coil operation is to

...misfire on a 2005 Pontiac Grand Prix GTP supercharged the car check engine light won't go off. I paid a lot of money to fix it and it still won't go off. The car was hooked up to a ...

...engine misfire. Sometimes it runs great, sometimes it wont even idle. This morning it showed reduced engine power on the way to work. Usually at higher RPMs it will miss even when it is running good ...

...3rd could be the engine has a misfire I have a 2000 Grand Prix 3.8 the transmission shifts fine till it gets hot then it starts shifting hard into gears can anyone tell me what might be causing

...what is this? It is broken causing a vacuum leak and misfire. if you have the 2.5, then it is the crankcase vent valve (pcv). if its a quad-4 engine then it is the canister purge control

...a faulty EGR vavle cause a misfire, or to run rough? only if it is leaking, u can check this by touching the valve with wet fingers when the engine is idling, if u hear a sizzle the valve is ...

...misfire straightens out.You can use a test light to see if there is a pulse in the wire harness to the number 1 injector.  Or there are plug-in lights which attach to the head of the injector ...

engine runs ok it starts to make a whining sound, almost like Fords do with their power steering pump. When it whines it starts to shift funny... Any help out there? The run rough problem is due a cyl

...engine codes I got a Cylinder 5 misfire code. I did some research and it appears the cadillac converter may be plugged causing back pressure to release into the weak cylinder eg the misfire and with ...