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idle re-learn

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Old 08-02-2015, 09:39 PM
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Default idle re-learn

I just replaced the IAC on a 2001 Malibu because of high idle problems. Still had problem after car got up to temp. Is there a re-learn process for this and if so could someone tell me how to do it.

Thanks for any help
Old 08-02-2015, 10:05 PM
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Idle relearn for a 2001? Not really....

More likely a bad connection at the harness connector, bad wire in the harness, or vac leak....
Old 08-03-2015, 08:24 AM
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There is no idle learn process. Chances are the high idle was not related to the IAC. Like TII suggested, check for vacuum leaks.
Old 08-03-2015, 11:11 PM
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Thanks for the help guys.

The directions that came with the IAC said that after reassemble the rpm may be high (1800-2000) and to drive it at 40 mph and that would cause the
ECM to command the IAC to re-set. That'* why I asked.

I did wiggle the wires around while it was running to see if that caused any change. I also sprayed around the intake and anywhere that looked like a vacuum connection with carb. cleaner but didn't get anywhere with that.So I put it in the shop this afternoon and hopefully they,ll find the problem.

thanks again
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