high idle

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May 29th, 2011, 9:42 AM

william woodside

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high idle

I have a 2001 s10 extreme 4.3, the thing won't idle. been told could be bad gas(so i put injector cleaner and high test) i changed throtte control sensor,cleaned mass air flow as well ) lowered a litttle but still idling high?

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May 31st, 2011, 7:35 PM

lynnboy021

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you dont have any codes?

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May 31st, 2011, 7:36 PM

lynnboy021

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it could be your iac.

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June 24th, 2011, 10:39 AM

uneasy_rider

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I know the mid 90's 4.3 were prone to the EGR valve getting coked up pretty bad and causing idle issues as well as injectors and poppets under the plenum.