TP Sensor Learn Without Tech 1
WARNING: This page is about a different car, the 1995 Oldsmobile Aurora and 1995 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
Perform IDLE SPEED CONTROL (ISC) CHECK (4.0L) before performing this procedure. Turn ignition on, with engine off. Turn ignition off. Wait 20 seconds. Perform this procedure 2 more times.
NOTE:
Ensure accelerator and brake pedals are free from any obstructions while performing TP sensor/idle learn with Tech 1 procedure. PCM will not perform learn function with accelerator pedal or brake pedal obstructions.