Removal (3.8L)
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, 2003 Buick Regal, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
Turn OFF the ignition. Remove fuel injector sight shield (upper engine cover) from engine. Disconnect the Throttle Position (TP) sensor electrical connector. See Figure. Remove the 2 TP sensor screws. Remove the TP sensor.