Actually, the idle control sensor that I was referring to is the MAP sensor.
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Originally Posted by fcastle_2000x
Thanks for the advise. I figured to start with the most obvious and cheapest first: inspecting the throttle valvle bore. After taking it apart and cleaning it out throuroughly, the high idle problem is still there. Actually, the bore was pretty clean. I'll check the idle control motor next.
As for the idle control sensor, I wasn't referring to the motor but the black sensor box that is mounted on the rear of the engine wall to the right of the throttle body. I thought that was the name of it but escapes me right now. The truck idle was spiking before and replacing that sensor corrected the spiking.
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