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how to adjust the iac valve

This is a discussion on how to adjust the iac valve within the General Help forums, part of the LSx Technical Help Section category; i just bought a new larger throttle body and i bought new iac and tps sensor well the iac how ...

  1. #1
    Junior Member
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    May 2009
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    albany ga
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    how to adjust the iac valve

    i just bought a new larger throttle body and i bought new iac and tps sensor well the iac how to do set it you can srew the plunger in and out to set the depth i do not have a old one to look at so i do not know were to set it atdo i need to make it were it closes the hole off completely while i am looking at it or is there a measurement thanks

  2. #2
    Senior Member bills98ta's Avatar
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    Feb 2007
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    St Thomas, PA
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    5,047

    White
    1998 Trans Am

    I didn't know there was an adjustable one. It should screw it self in & out automatically ???

  3. #3
    Member DaddySS's Avatar
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    Oct 2005
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    Bergen Co. NJ
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    590

    Black
    2000 Camaro SS Conv.

    Don't mess with the IAC, it is set by tables in the tune, idle air, throttle set screw, etc., it is not adjustable manually.

  4. #4
    Member
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    south, GA
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    116

    white
    98 z28

    It is definitely not adjustable unless you program the pcm.

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