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2002 Idle fluctuating

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  #11  
Old 04-03-2011, 02:54 PM
mrl390's Avatar

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Originally Posted by Milhouse
Originally Posted by mrl390
What vehicle do you have?
Quote:
Originally Posted by N9QGS
My friend has a 2002 Monte Carlo SS, it has a erratic idle that is constantly going up and down, and she said occasionally the car will stall. There is a Check engine light code P0102, which indicates from my research:


DOH! when I clicked on the thread it took me to the post right above mine. I thought I was looking at the first post, lol.
 
  #12  
Old 04-03-2011, 03:09 PM
Join Date: Mar 2010
Location: Ontario
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try cleaning the IAC motor its probably trying to centre itself and has a good layer of crud on it. take the MAF sensor out anyway for this and remove the little motor on the firewall side of the throttle body. i'm posting a pic in this post of the IAC motor. this time of the year its more likely to act up i'm not sure why but i've cleaned out 4 of these in the past 2 weeks on various gm's for the same problem.
 
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  #13  
Old 04-03-2011, 03:17 PM
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But it's throwing a MAF code, why would the IAC affect anything??
 
  #14  
Old 04-03-2011, 05:13 PM
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MAF codes can be set from near stall conditions or a blocked TB. I know it's very deceptive but it can and does happen. That doesn't mean that the MAF isn't dirty also
 
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