Throttle Position Sensor: Service and Repair

REMOVAL PROCEDURE




1. Turn OFF the ignition.
2. Remove the fuel injector sight shield.




3. Remove the electrical connector from the Throttle Position (TP) sensor.




4. Remove the 2 TP sensor retaining screws.




5. Remove the TP sensor from the throttle body.

INSTALLATION PROCEDURE




1. With the throttle valve in the normal closed position, install the TP sensor in the throttle body assembly.




2. Apply thread-locking compound GM P/N 1052624, Loctite 262(R), or equivalent, to the screws.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the 2 TP sensor retaining screws.

Tighten
Tighten the screws to 2 N.m (18 lb in).




4. Install the electrical connector to the TP sensor.




5. Install the fuel injector sight shield.