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Where is the IAC valve on a 2005 Malibu 2.2L Ecotec I4

Cannot find this thing's killing me.

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  • Josh Nov 27, 2012

    Are the egr valve and iac valve the same thing? I didn't think they were.

  • Josh Nov 29, 2012

    Here is the correct answer: If you have an electronic throttle, you will not have an IAC valve...everything is handled by the ECU. Hope this eventually helps someone else out down the road.



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The egr valve is below the throttle body, at the rear of the engine. The egr valve attaches to the bottom of the intake manifold plenum.-------------------------------------------------------------------------
vas 5054a

Posted on Nov 27, 2012

  • Josh Nov 27, 2012

    Thanks for the quick reply. I have not yet taken off the throttle body, which may be why I don't see it. Is it necessary that I take off the throttle body to get to the iac valve or is there an alternative route?

  • Josh Nov 27, 2012

    Are the egr valve and iac valve the same thing? I didn't think they were.



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