Throttle Position (TP) Sensor
Faults in TP sensor or circuit should set a diagnostic trouble code. See QUICK TEST in the TESTS W/CODES - EEC-IV article. If diagnostic trouble code has not been set, see THROTTLE POSITION (TP) SENSOR in the ADJUSTMENTS article for adjusting procedures. For testing procedures, see CIRCUIT TEST DH in the TESTS W/CODES - EEC-IV article.