Throttle Position Sensor: Service and Repair
THROTTLE POSITION (TP) SENSOR REPLACEMENTREMOVAL PROCEDURE
1. Remove the fuel injector sight shield.
2. Remove the electrical connector from the Throttle Position (TP) sensor.
3. Remove the 2 screws that retain the TP sensor to the throttle body.
4. Remove the TP sensor from the throttle body.
INSTALLATION PROCEDURE
1. With the throttle valve in the normal closed position, install the TP sensor into the throttle body assembly.
2. Apply thread-locking compound on the screws. Loctite 262(R), GM P/N 1052624, or equivalent should be used.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the 2 TP sensor attaching screws.
Tighten
Tighten the screws to 2 N.m (18 lb in).
4. Connect the electrical connector to the TP sensor.
5. Install the fuel injector sight shield.