Operation CHARM: Car repair manuals for everyone.

Throttle Position Sensor: Service and Repair

REMOVAL PROCEDURE
1. Remove the fuel injector sight shield.




2. Disconnect the throttle position (TP) sensor electrical connector.




3. Remove the 2 TP sensor screws.




4. Remove the TP sensor.

INSTALLATION PROCEDURE




1. Install the TP sensor to the throttle body assembly.
2. Apply thread-locking compound GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the TP sensor screws.




3. Install the 2 TP sensor screws.

NOTE: Refer to Fastener Notice in Service Precautions.

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




4. Connect the TP sensor electrical connector.
5. Install the fuel injector sight shield.