FI SYSTEM DIAGNOSIS 4-97 STP SENSOR INSPECTION STP SENSOR REMOVAL AND INSTALLATION The secondary throttle position sensor is installed at the right side of the No. 4 throttle body. • Remove the STP sensor. (5-16) • Install the STP sensor in the reverse order of removal. STP SENSOR ADJUSTMENT • Adjust the STP sensor. (5-22) E L P M A S