Ross gardiner Posted September 11, 2014 Report Share Posted September 11, 2014 i have a gm style iac valve that we believe moves perhaps under load boost , then the computer reads it open and alters the idle speed to fast and as it takes ages to reset and every time you rev it ,it goes hey wireÂ we have tryed differant settings but cant seem to be making head way .but if i unplug it ,the computer Â runs the car fine if itr is reset and closed correctly ? will this be causing boost leakage >? Quote Link to comment Share on other sites More sharing options...
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