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Home >> Subaru >> 2012 >> Outback Premium, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection Fuel Systems (H4SO) >> Fuel Level Sensor >> Inspection
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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.
    Fig 1: Measuring Fuel Level Sensor Float Position
    G07910435Courtesy of SUBARU OF AMERICA, INC.
    Float position Standard
    FULL to Fuel tank seating surface (A) 126.4±4 mm (4.976±0.157 in)
    EMPTY to Fuel tank seating surface (B) 11.0±4 mm (0.433±0.157 in)
  3. Measure the resistance between fuel level sensor terminals.
Fig 2: Measuring Resistance Between Fuel Level Sensor Terminals
G06648424Courtesy of SUBARU OF AMERICA, INC.
Float position Terminal No. Standard
FULL (A) 1 and 4 2.0+0.5-1.0 Ω
EMPTY (B) 31.9±1.0 Ω
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