Operation CHARM: Car repair manuals for everyone.

Throttle Position Sensor: Service and Repair

REMOVAL
The TPS is located on the throttle body.
1. Remove air duct and air resonator box at throttle body.


Fig. 56 Throttle Body, Sensors And Electrical Connectors - 4.7L V-8 Engine:





2. Disconnect TPS electrical connector.


Fig. 63 TPS Mounting Bolts - 4.7L V-8:





3. Remove two TPS mounting bolts (screws).
4. Remove TPS from throttle body.


Fig. 66 TPS Installation - 4.7L:






INSTALLATION
The throttle shaft end of throttle body slides into a socket in TPS. The TPS must be installed so that it can be rotated a few degrees. If sensor will not rotate, install sensor with throttle shaft on other side of socket tangs. The TPS will be under slight tension when rotated.

1. Install TPS and two retaining bolts.
2. Tighten bolts to 7 Nm (60 in. lbs.) torque.
3. Manually operate throttle control lever by hand to check for any binding of TPS.
4. Connect TPS electrical connector to TPS.
5. Install air duct/air box to throttle body.