THROTTLE POSITION SENSOR AUTOMATIC TRANSMISSION ONLY 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/ adjusted after replacement. REMOVAL (1) Disconnect the electrical connector on bottom of TPS (Fig. 34). (2) Remove the two TPS mounting bolts. (3) Remove the sensor from b