- Jan 26, 2004
- Air Mobile
I have searched through a plethora of threads and from what I can find of all the high start idle threads, nobody seems to have had a definate fix for the problem. I have been chasing this for a while on mine. Starts at 2-2.1k even when warm, then drops to ~650 after a few seconds. I have checked the following IAW the FSM. Throttle linkage (even does it without the cables connected to the throttle or cruise) ECT switch and wiring, IAC valve. I have not replaced the ECU and I hope that isn't the problem. I am going to swap ECUs between mine and a buddies 94 to see if the problem switches trucks to rule the ecu in/out.