Impala V6-3.8L SC VIN 1 (2005)
Throttle Position Sensor: Service and Repair
THROTTLE POSITION (TP) SENSOR REPLACEMENT
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.
