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Message: <blockquote data-quote="stutaeng" data-source="post: 25006" data-attributes="member: 6175">I've never had this issue, but I know it can be a problem on some trucks.I recommend you look up a wiring diagram and get some t-pins and backprobre the throttle body/TAC module and ECU and run a temporary set of wires with jumper leads. It doesn't have to look pretty What you are trying to do is: create an alternate electric path for the signal. If you have an issue with your wiring harness (which I think is where the problem lies), the symptoms should go away after driving around. Then you know where the problem lies.Worst case is you run a stand alone wiring harness to the throttle body...I hope this helps.</blockquote>