Questions & Answers for: Pontiac Grand Am idles rough

2000 Grand Am rough idle it has 84000 miles. when in gear idles rough, when in park doesn't idle as rough. check vacuum hoses

...idles rough but not as bad. What size engine 2.4 or 3.4 L ? Dirty throttle plate , fuel injector's need cleaning , EGR valve sticking open a little , intake manifold leaking , IAC - idle air control ...

rough start I have trouble starting my car in the mornings when it does start it will idle real rough and the rpm's will go real high them back down to normal then high agian the check engine light ...

...idles and runs rough it sounds like a egr vlave but autozone said there is no egr on this engine what could be causing this problem? Check the ignition control module. Sounds like the exact same ...

2001Pontiac Grand Am Rough Idle In Drive Only Runs good with plenty of power 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

Rough Idle In Drive Only the car runs finewhile you are driving and idles fine in Park, Neutral and reverse but when it is in drive it runs rough or vibrates. It doesn't quit running, just feels rough

my car dies when i put it in gear or when i come to a stop and a rough idle i changed the tps Idle air control valve would be my next bet , the TPS usually just makes it rough on acceleration. Is it ...

once the car gets to op.temp it starts to run rough at normal operating temp. the car runs relly rough it sounds like you might want to scan your vehicle for sensors evaluation to determine what ...

...idles rough. There are few help links with solutions to troubleshoot such idle issues. I suggest you refer the link below and follow its troubleshooting details:------ Click the link below:----- Ford ...

...out at a stop when the heat is on, it also idles really rough. What is the problem and the solution? First ,check all vacume lines for leaks. Check all engine grounds for corrosion or EGR stuck ...