Questions & Answers for: Pontiac Grand Am

Car stalls when you let off the gas when warm or idling I have a 1990 pontiac 6000 LE 3.1 litre engine. The car runs fine when its cold but when its warm it will stall under idle or when driving and ...

Rough idle only when in gear. I have a 2004 Pontiac Grand Am. It shakes pretty good while I am stopped in gear. The moment I take my foot off the brake the shaking stops. It runs fine while driving. ...

...sensor, coil packs, plugs, fuel filter and hoses that had leaks. still has same problem. check the IAC sensor, might be ...

then low idle when warm Try cleaning your throttle body, paying attention to your Idle air control (IAC) valve. Your IAC sounds like it's gummed up with carbon and it'f it's to far gone to be cleaned,

shutsoff when you come to a stop or slow down and idles rough Check the IAC sensor. If ok check TPS and MAF. Clean throttle body inside real good but let air out before putting air intake assembly ...

...this will cure the problem. Let me know if you have any questions and thanks for using FixYa. IAC is the cylindrical part on top in this picture. IAC motor winding test procedures: Attach an ...

it idlles at a high speed. dont even have to touch the gas pedal. what is wrong with it. Vacuum leak or mis adjusted TPS.or IAC valve stuck.

car engine idles really high then really low, why? 2003 pontiac grand am. When sitting in driveway ideling, the engine revs really high then really low. Can anyone suggest why? It can be issue with ...

...pwr steering and brakes First eliminate all vacuum or air leaks in the system. You may have a bad IAC ( idle air control) but try cleaning the throttle body first. Remove the intake snorkel, have ...

car revs high on start up, I turn it off after a brief warm up and it almost returns to normal rpm but still slightly high Could be IAC sensor.dirty throttle body.