The Throttle Position Sensors (TPS) are used to determine the throttle plate angle. The TPS provide the powertrain control module (PCM) with a signal voltage proportional to throttle plate movement. Both TPS signal voltages are low at closed throttle and increase as the throttle opens.
Removal & Installation
- Remove the air cleaner intake duct.
- Remove the heater outlet pipe.
- Cover the throttle body opening with a shop towel and use the shop air to remove any dirt at the base of the throttle body.
- Disconnect the TAC module electrical connector by pulling up on the connector lock to release the connector from the TAC module
- Remove the throttle body bolts.
- Remove the throttle body from the intake manifold.
- Block the intake manifold opening with a clean shop towel to prevent dirt from entering.
- Remove the throttle body studs ONLY If replacement of stud is necessary.
- Install the throttle body studs if previously removed and tighten to 53 inch lbs. (6 Nm).
- Install the throttle body to the intake manifold.
- Install the throttle body bolts and tighten to 89 inch lbs. (10 Nm).
- Connect the TAC module electrical connector to the TAC module then press down the connector lock in order to secure the TAC module electrical connector.
- Install the heater outlet pipe.
- Install the air cleaner intake duct.