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Fuel Sub Level Sensor: Inspection

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check that the fuel sub level sensor has no damage.
  2. Measure the fuel sub level sensor float position.
    Fig 1: Measuring Fuel Sub Level Sensor Float Position
    G07670596Courtesy of SUBARU OF AMERICA, INC.
    FUEL SUB LEVEL SENSOR FLOAT POSITION REFERENCE CHART

    Float position Standard
    FULL to Datum point (A) 5.31±3.5 mm (0.209±0.138 in)
    EMPTY to Datum point (B) 160.6±3.5 mm (6.323±0.138 in)
  3. Measure the resistance between fuel sub level sensor terminals.
    Fig 2: Measuring Resistance Between Fuel Sub Level Sensor Terminals
    G07670597Courtesy of SUBARU OF AMERICA, INC.
RESISTANCE REFERENCE CHART

Float position Terminal No. Standard
FULL (A) 1 and 2 2.0+0.5-1.0 Ω
EMPTY (B) 62.1±1.0 Ω
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