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Home >> Lexus >> 1990 >> ES 250 Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Throttle Position Sensor

Throttle Position Sensor

  1. Loosen TPS mounting screws. Unplug TPS and connect ohmmeter between throttle position sensor "IDL" and "E2" terminals. See Fig 1. Insert a .020" (.50 mm) feeler gauge between throttle stop screw and lever.
    Fig 1: Adjusting ES250 Throttle Position Sensor
    G90F20771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Rotate TPS clockwise until ohmmeter deflects. Tighten mounting screws. Using specified feeler gauge, recheck adjustment. See THROTTLE POSITION SENSOR ADJUSTMENT TABLE. Remove ohmmeter and connect TPS.
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