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  • IAC on/off option?

    Hey,
    whats the point of turning off the IAC and why when you turn it off does it not close all the way but i stead stay open at the percent it was at right before the option was turned off.

  • #2
    How are you turning it OFF.
    In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
    https://forums.edelbrock.com/filedat...?photoid=42773

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    • #3
      You turn off the iac option in On/off settings

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      • #4
        There's no setting there to turn OFF the IAC.
        In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
        https://forums.edelbrock.com/filedat...?photoid=42773

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        • #5
          There is a disable IAC button there.

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          • #6
            When the “idle control” on/off option is disabled it turns off idle air control but leaves it at the position it was at right before the button was pressed. It should come to zero to make throttle blade adjustment easier as well as fine tuning.
            You do not have permission to view this gallery.
            This gallery has 1 photos.

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            • #7
              You need to touch the ? On that page, and read what is says about idle control.
              In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
              https://forums.edelbrock.com/filedat...?photoid=42773

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              • #8
                Made me go and look. Absolutely never knew there was a way or reason to turn IAC off.

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                • #9
                  Edit: You block the IAC port when your having issues adjusting the idle speed.

                  Pro-Flo 3 and below would disable the IAC during idle speed adjustments.
                  Last edited by BITE_ME; 04-24-2021, 09:37 AM.
                  In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
                  https://forums.edelbrock.com/filedat...?photoid=42773

                  Comment


                  • #10
                    "the IAC will only follow it's command base position based on coolant temp ( more open when coolant temps are cold, closes as engine warms up ) and ignition timing feedback will cease."


                    Basically the timing stops moving around.
                    You do not have permission to view this gallery.
                    This gallery has 1 photos.
                    In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
                    https://forums.edelbrock.com/filedat...?photoid=42773

                    Comment


                    • #11
                      Originally posted by BITE_ME View Post
                      To set base timing.
                      Makes sense,so a quick question. When using the Setup Wizard, you click "Set Base Timing", does this disable IAC?

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                      • #12
                        ​Actually that made no sense for the Edelbrock system......I had too many web pages opened when I posted, and posted on the wrong page.
                        I'll fix it now.

                        Anyway.

                        You disable the IAC when you're having a hard time setting the Idle speed.
                        You block it's intake port, so you know for a fact it can't be open, and effecting the idle speed.




                        In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
                        https://forums.edelbrock.com/filedat...?photoid=42773

                        Comment


                        • #13
                          Originally posted by CorkyE View Post
                          When using the Setup Wizard, you click "Set Base Timing", does this disable IAC?
                          No.
                          The Crank/Camshaft sensor is ignored, and the ECU is Forced To Believe that the timing is at 12° BTDC.
                          It will now HAVE to use the IAC to idle.

                          In my neighborhood, if you open your hood to check your oil, and the vehicle still runs after you close it.......Then your labeled the Neighborhood Mechanic.
                          https://forums.edelbrock.com/filedat...?photoid=42773

                          Comment

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