Throttle Position Sensor: Service and Repair
THROTTLE POSITION (TP) SENSOR REPLACEMENTREMOVAL PROCEDURE
1. Turn OFF the ignition.
2. Remove the air intake duct.
3. Disconnect the TP sensor electrical connector.
4. Remove the 2 TP sensor fasteners.
5. Remove the TP sensor and O-ring.
INSTALLATION PROCEDURE
1. Install the TP sensor O-ring on the TP sensor.
2. Install the TP sensor on the throttle body assembly.
3. Install the 2 TP sensor fasteners, using a thread-locking compound on the screws. Loctite(r) 262, GM P/N #1052624, or equivalent should be used.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the TP sensor attaching screws to 2 N.m (18 lb in).
4. Connect the TP sensor electrical connector.
5. Install the air intake duct.