Lumina 2001 autodrive, idel surges after engine warm-up while in park or neutral only. Fine while engage in gear.
Thursday, December 30th, 2010 AT 9:43 AM
2 Replies
JACOBANDNICKOLAS
MECHANIC
109,885 POSTS
Check the idle air control valve (IAC). Its job is to maintain a steady idle. It is located on the throttle body.
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Wednesday, January 12th, 2011 AT 9:23 PM
SEAGUL
MEMBER
3 POSTS
Thanks for your prompt repley, but the problem could not be fixed I change the (IAC)coil. And cleaned the throtle body for carbon deposit, even I have the same problem. Your ans really appreciated.