Throttle Position Sensor: Installation

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

With the throttle closed, install gasket and TP sensor onto throttle shaft. Rotate TP sensor counterclockwise in order to align mounting holes.
Install and tighten TP sensor mounting bolts to specification. See TORQUE SPECIFICATIONS . Reconnect harness connector to TP sensor. Install engine cover.

Fig 1: Locating Idle Air Control Valve & Throttle Position Sensor

Courtesy of GENERAL MOTORS CORP.