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Home >> Subaru >> 2013 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Air/fuel ratio sensor (FA20) >> Unit inspection
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Unit inspection

  1. Inspection of air/fuel ratio sensor
    1. Measure the resistance between the terminals.
      RESISTANCE

      Inspection terminals Inspection conditions Standard value
      1 - 2 20°C {68°F} 1.98 to 2.64 Ω
      1 - 4 Always 10 k Ωor more
      Fig 1: Identifying Air/Fuel Ratio Sensor Connector Terminals
      G08554057Courtesy of SUBARU OF AMERICA, INC.
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