2001 Pontiac Sunfire "rough start" Questions

2003 pontiac sunfire 2.2L, idiling rough and runs rough with poor power, sounding as if it isrunning on less than 4 cylinders. problem started with no warning.check engine, troubleshooting light is ...

2000 pontiac sunfire starts only when gas pedal is held to floor, idles rough and white smoke comming to exhaust changed IAC valve..no change If you have excessive white smoke coming from the vehicles

...start right up and idle is rough but acceleration is rougher and the car bucks and the engine runs boggy. all sparkplug wires spark to the plug. there was no snap, crackle, or pop when it occurred, ...

...rough and is hard to start when warmed up i have buy this car in kijiji,my question is, my friend start this car then after few minutes the engine is stop, then he start again but cannot start again, ...

...start condition this morning, finally needed a jump. Got it started but it was running real rough and had a flashing check engine light. Pulled the coil pack rail, checked connections. Replaced very ...

start up rough idle only on days when there is condensation on car after reving engie for a minute it smoothes out but it does throw a code what code? if it is a 2.4 liter then it would most likely be

...rough and sometimes will die if the car ran fine befor you changed the timing chain you may have the cam timing off by one tooth retarted. Being the PCM controls the timing advance . The engine ...

after i started the car i can smell raw gas and the car starts to run rough leaking injector o rings or injector its self

I have a 1997 chev cavalier that will start but runs rough. and now won't start agian but when I let it sit for a while it will start again. it sounds like your ignition module is bad.

rough engine idle runs ok at highway speeds you don`t say if you have checked anything so start with the plugs for condition and age as well as plug gap.then the ignition wires they may need ...