Throttle Position Sensor: Service and Repair

The Throttle Position Sensor (TPS) is used on the diesel powered engine only when equipped with an automatic transmission. If the TPS is to be replaced on a diesel engine, it must be tested after replacement.

Throttle Position Sensor Location:

REMOVAL
1. Disconnect the electrical connector on bottom of TPS.
2. Remove the two TPS mounting bolts.
3. Remove the sensor from bracket.

INSTALLATION
1. Position the TPS to the mounting bracket. The electrical connector should be facing downward. The TPS is spring loaded. After positioning the TPS to its mounting bracket, rotate the TPS on the bracket in a counter-clockwise direction until the two bolt holes align.
2. Install and tighten two bolts.
3. Connect the electrical connector on bottom of TPS.
4. Operate the throttle by hand to check for binding.
5. The TPS voltage must now be tested and (if necessary) adjusted. Refer to the following: Throttle Position Sensor Testing and Inspection Procedure. Testing and Inspection