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Fuel Level Sensor: Inspection

  1. Check that the fuel level sensor has no damage.
  2. Measure the fuel level sensor float position.
    NOTE: When inspecting the fuel level sensor, perform the work with the sensor installed to the fuel pump.
    G13640212Courtesy of SUBARU OF AMERICA, INC.
    Float position Standard
    FULL to Fuel tank seating surface (A) 135±4 mm (5.315±0.157 in)
    EMPTY to Fuel tank seating surface (B) 23.7±4 mm (0.933±0.157 in)
  3. Measure the resistance between fuel level sensor terminals.
    G08538912Courtesy of SUBARU OF AMERICA, INC.
    Float position Terminal No. Standard
    FULL (A) 1 and 4 8.7±1.0 Ω
    EMPTY (B) 139.1±2.0 Ω