Throttle Position Sensor: Service and Repair
THROTTLE POSITION (TP) SENSOR REPLACEMENTREMOVAL PROCEDURE
1. Disconnect the fuel lines.
2. Disconnect the throttle position (TP) sensor electrical connector.
3. Remove the 2 TP sensor screws.
4. Remove the TP sensor and the O-ring.
INSTALLATION PROCEDURE
1. Install the TP sensor O-ring to the TP sensor.
2. Install the TP sensor.
3. Apply a thread-locking compound to the TP sensor screws. Loctite(R) 262, GM P/N 12345493, or equivalent should be used.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the 2 TP sensor screws.
Tighten
Tighten the screws to 2 N.m (18 lb in).
5. Connect the TP sensor electrical connector.
6. Connect the fuel lines.