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Message: <blockquote data-quote="modo" data-source="post: 810434" data-attributes="member: 11716">well 750 might not be enough... every car is different. did you set the idle correctly?another person will make this easier. start with the motor cold. start it up and let it idle for a couple minutes. shut it off and disconnect the iac. start it up and set the idle with the set screw while in drive (parking brake on) and get the idle to 750 or 800. shut it off and reconnect the iac. see if that helps... if it does not then pull the battery for a couple minutes and when you reconnect it let the car idle with all accessories on for a couple minutes.if that doesn't work then you should test the iac motor, clean it and or replace itin the tune there is a idle rpm which the iac will attempt to keep but it also relies on the set screw being set properly. since your tb is not stock i would start there</blockquote>