Throttle Position Sensor: Service and Repair
REMOVAL PROCEDURE1. Remove the fuel injector sight shield.
2. Disconnect the throttle position (TP) sensor electrical connector.
3. Remove the 2 T/P sensor screws.
4. Remove the T/P sensor.
INSTALLATION PROCEDURE
1. Install the T/P sensor.
2. Apply thread-locking compound GM P/N 12345493 or equivalent to the T/P sensor screws.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the 2 T/P sensor screws.
Tighten
Tighten the screws to 2 N.m (18 lb in).
4. Connect the T/P sensor electrical connector.
5. Install the fuel injector sight shield.