Question about 1997 Mitsubishi Galant

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Idle air control

I have a 97 mit galant and I changed the idle air control valve on it but the problem doesnt seem to be fixed. Should I adjust the idle. if so, how?

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  • Anonymous Mar 16, 2014

    Idle air control adjustment 1990 Pontiac 6000

  • Anonymous Mar 17, 2014

    no power to idle control valve 97 dakota replaced valve had same problem found there is no power at wires going to valve

  • Anonymous Mar 17, 2014

    97 dodge dakota wont idle cold,changed idle controlvalve and throttle body I have no power going to idle control valve

  • Anonymous Mar 17, 2014

    97 dodge dakota wont idle cold,changed idle controlvalve and throttle body I have no power going to idle control valve

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All the sudden the check engine light came on and it started to idle funny and dying at stops. I had a diagnostic done on it and changed out the idle air control valve but it doent seem any different. and the check engine light is still throwing the same code. we adjusted the idle up so i could drive it with out it dying but it is still acting funny.

Posted on Nov 10, 2008

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What exactly is the problem?

Posted on Oct 29, 2008

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Could be many things. Bad torqe convertor, bad idle air control valve, bad egr valve. So many things it could be. Id spend 60 bucks to get it diagnosed that way your not throwing needless parts at it. Hope this helps

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Idle Air Control (IAC) Valve When the engine (6007) is running but not at idle, the throttle valve controls the amount of air admitted into the engine. The powertrain control module (PCM) (12A650) increases the fuel injection output in proportion to the increased airflow to achieve the appropriate air/fuel ratio. During idle, the throttle valve is almost fully closed. It is therefore necessary for the idle air control system to supply air for combustion during idle. The idle air control (IAC) valve allows a metered amount of air to enter the intake manifold (9424). The camshaft position (CMP) sensor detects engine speed and sends a signal to the PCM. The PCM sends a duty cycle (On/Off) signal to the IAC valve which allows additional air to enter the intake manifold. Air is added by the IAC valve to maintain the set lowest idle speed at which the engine can operate. The idle speed adjusting screw allows adjustment of the airflow into the intake manifold.

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Fast Idle Control (FIC) Solenoid The fast idle control (FIC) solenoid helps maintain a constant idle speed while the air conditioning is operating. When the air conditioning is turned on, the front climate control panel sends out two signals. One signal is sent to the powertrain control module (PCM) (12A650) to engage the A/C compressor (19703). The second signal is a ground signal sent to the FIC solenoid relay, to engage the FIC solenoid. The FIC solenoid supplies additional air to adjust the increased engine load.

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