4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

crazy high idle issue

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Old 06-14-2009, 01:55 PM
  #11  
Chris98Gt
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It was a bad iac, aparently both iacs I had were bad. Now I've got a brand new one and it fixed the idle issue.
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Old 06-17-2009, 06:52 AM
  #12  
ShadowReaper81
 
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i have the same problem on my 06 GT. I just throw it in neutral and turn the car off and restart it rolling. Fixes the problem for months before it happens again. Happens more often on hotter days though.
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