Operation CHARM: Car repair manuals for everyone.

Throttle Position Sensor: Service and Repair

REMOVE OR DISCONNECT
1. Electrical connector.
2. Throttle Position (TP) sensor attaching screws.
3. TP sensor.

INSTALL OR CONNECT
1. With throttle valve in the normal closed idle position, install throttle position sensor on throttle body assembly, making sure TP sensor pickup lever is located ABOVE tang on throttle actuator lever.
2. TP sensor screws using a thread locking compound on the screws: Loctite 262, GM Part No. 1052624, or equivalent should be used.