Ranger 2WD V6-177 2.9L (1989)
Throttle Position Sensor: Adjustments
Throttle Position Sensor Adjustment
Engines with EEC lll: Turn ignition to RUN position and remove vacuum hose from throttle kicker, as equipped. With engine not running, compare
voltage reading against specifications and adjust as needed.
Engines with EEC lV: Connect positive probe of DVOM along terminal C (lower) of TPS and connect negative probe along terminal A (upper). Turn
ignition on but do not start vehicle. Adjust TPS to specified value.