C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

85 Vette Idol Problem

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Old Oct 9, 2010 | 05:18 PM
  #1  
lenoble22's Avatar
lenoble22
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Default 85 Vette Idol Problem

I am trying to figure out my idol problem on my 85 vette. it will idol 450 rpms to 750rpms back and forth. It doesn't do this all the time. It seems to do this on start up and it gets better when its warmed up but it will do it sometimes when its warmed up as well. It will throw a check engine light once in a while and it comes up with code 36 and 41. I was thinking it was dirty injecters but I have run 2 bottles of injector cleaner through it now with no results. I am wondering if it could be a vacume leak? Any other ideas would be greatly apreciated

Thanks,
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Old Oct 12, 2010 | 06:42 PM
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natedmac
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From: Orem Utah
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I had a similar issue with mine. I had to replace the IAC and it started running smoother.
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