Questions & Answers for: Pontiac runs rough

...runs rough and misfires I got a new battery, ck the altenator and the ignition module both are fine could this be a crankshaft sensor problem. i dought it misfire run rough look more like a good tune ...

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...when driving. Runs smooth at an idle when in Park, Neutral and Reverse. Only runs rough at an idle in drive. I had the same problem with '99 GA I changed the idle control valve , solve the ...

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...runs rough or vibrates. It doesn't quit running, just feels rough so when you are stopped, you put it in neutral until you are ready to go again. Thank You Rick has it had a tune up? Did you ever get ...

...runs rough,dies service engine 2002 grand prix runs rough,dies service engine soon light on code reader says it is running lean sounds like you have a vacuum leak, check all the vacuum hoses and ...

...replaceing all 8 fuel injectors, it still runs rough. What else could it possibly be? I'm running out of options. I've replaced the ECM, IAC, fuel filter, etc. how many miles on this

...runs relly rough it sounds like you might want to scan your vehicle for sensors evaluation to determine what causing your rough idle if you have engine light on I had the same problem with my pontaic ...

can a motor mount going bad have anything to do with rough shifting? I know it will give the car a vibration causing a rough running motor but as far as rough shifting, I am not real sure about that. ...

runs rough, after replace crank sensor car run rough, now don't run. car start runs rough, after replace crank sensor car run rough, now don't run. go through wireing near sensor and plug attached

...runs rough, won't allow excess rpms engine runs rough, won't allow excess rpms are their any codes anything for a bad converter to plugs injectors or even a fuel issue could cause all of ...

2006 pontiac grand prix running rough but no codes starts but barely then idles rough no codes are showing . it turns over normal but when it starts it's almost like it barely running then idle picks ...

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