Question about 1993 Toyota Celica

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Idling Control Valve

Hey i got a 1993 toyota celica GT and it idles like crazy i wanted to know if its the idling control valve and if so is there anyway to fix it without replacing it.

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If the check engen light is on, it's probly the idle air controll valve. The only way to know is to find a shop with an old scan tool (almost impossible). The controll valve is not servicable.

Posted on May 19, 2009


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2 Answers

What is an IAC Valve

Google is your friend in such questions.

  • Idle air control actuator - Wikipedia, the free encyclopedia An idle air control actuator or idle air control valve (IAC actuator/valve) ... Idle air control actuator; MAP sensor; Mass flow sensor; Oxygen sensor; Starter motor;
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  • There are also videos in this link. How to check and fix.

  • What is an IAC Valve Bing video

    May 12, 2016 | 1992 Toyota Paseo

    2 Answers

    I have a1995 GEO prism it runs good but when I let off of the throttle it won't idle unless I keep my foot on the throttle

    Clean the throttle body and idle air control motor. Just a cheap start. Could be the engine is old and tired.

    Sep 07, 2015 | Geo Cars & Trucks

    1 Answer

    2004 toyota celica gt engine dies after running for short time but restarts

    check your idle air control valve or for possible vacuum leaks.

    Apr 16, 2014 | 2004 Toyota Celica

    1 Answer

    Looking for idle control valve on 1995 celica

    I expect the idle control valve will be mounted in the throttle body. The throttle body is the unit where the throttle cable attaches to.

    Hope this may have assisted,

    Nov 12, 2010 | 1995 Toyota Celica

    1 Answer

    Idling problem toyota altis

    Either there is a vacuum leak causing the high idle, or
    the IACV is bad or being controlled by the computer to make idle speed too high:

    To change the IACV refer to the following:
    Idle Speed Control (Idle Air Control) Valve Removal & Installation To Remove:
    1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
    2. Remove the throttle body. Idle speed control valve toy_cor-04-18-1187.gif

    3. Remove the 3 mounting screws from the throttle body. Remove the idle speed control valve and gasket.
    To Install:
    1. Using a new gasket install the idle speed control valve on the throttle body with the 3 mounting screws.
      • Tighten 33 inch lbs. (3.7 Nm).
    2. Install the throttle body.
    prev.gif next.gif

    Jul 16, 2010 | 2004 Toyota Corolla

    1 Answer

    Engine idling gone crazy

    check for lose vacuum hoses or lose throttle hose make sure you air flow meter ducks are tite if you see everything ok then the idle speed control valve could be dirty with a little carburetor cleaner spray while engine is running open throttle and spray into throttle till you can see throttle is clean you may have to do this a few time hope this information is useful good luck

    Jul 27, 2009 | 1995 Toyota Previa

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