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Throttle Position Sensor

  1. Loosen throttle position sensor mounting screws. Insert a .022" (.55 mm) feeler gauge between stopper and stopper screw. See Fig 1 . Connect ohmmeter between terminals "A" and "C". Adjust sensor position so ohmmeter reading changes from zero to infinity with feeler gauge in position.
  2. Insert a .036" (.92 mm) feeler gauge between stopper and stopper screw. Ohmmeter should read zero ohms. If not, adjust sensor position until proper readings are obtained.
Fig 1: Adjusting Subaru Throttle Position Sensor
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