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Idle issue....

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    Idle issue....

    on occasion my bone stock 1991 f22a4 will start up and idle kinda rough for up to 10 seconds max.... I have reset the ECU and cleaned the spark plugs and cleaned in side the cap....the spark plugs are NGK and the wires are blue NGK and the cap is O.E.M. runs and drives great after the problem....any ideas? I am annoyed at this point....but the car runs great and flew through D.E.Q with no problems....maybe the fuel filter?....HELP

    #2
    clean your IACV

    TKCB792

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      #3
      Originally posted by TKCB790 View Post
      clean your IACV
      http://www.cb7tuner.com/vbb/showthre...lean+FITV+IACV
      heres the link to help

      TKCB792

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        #4
        if Your IACV doesn't help clean your FITV (Fast Idle Thermo Valve) it's attached to the throttle body. take off the little backing plate and drench it all in carb cleaner. then make sure the little (quarter sized) white (probably yellowish now) silicone plate is screwed nice and snug.

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          #5
          That was FAST!!! I will clean it first thing tomorrow....

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            #6
            Originally posted by 1991redcoupe View Post
            That was FAST!!! I will clean it first thing tomorrow....
            already keep us posted

            TKCB792

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              #7
              did all the above and it still the same....

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                #8
                Originally posted by 1991redcoupe View Post
                did all the above and it still the same....
                Do you have any CEL's?
                Originally posted by Mishakol129
                Do not disrespect my intelligence. I am the smartest person I know : )

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                  #9
                  nope....no CEL....still driving it the way it is and it is more of an annoyance for the first 10 seconds gthen it drives great.....I dont get it!!!!HELP!!!

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                    #10
                    Originally posted by 1991redcoupe View Post
                    nope....no CEL....still driving it the way it is and it is more of an annoyance for the first 10 seconds gthen it drives great.....I dont get it!!!!HELP!!!
                    Go check your plug wires, make sure they are securely attached to the plugs. How old are the wires? I had a very similar issue and it was due to a bad coil wire. It was actually arcing on the coil contact, changed it and it went away. Also sounds like your timing may be off.
                    Originally posted by Mishakol129
                    Do not disrespect my intelligence. I am the smartest person I know : )

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