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Home >> Subaru >> 2023 >> Ascent Premium >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Fuel Sub Level Sensor >> Inspection
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Fuel Sub Level Sensor: Inspection

  1. Check that the fuel sub level sensor has no damage.
  2. Check the fuel sub level sensor float position.
    G13600382Courtesy of SUBARU OF AMERICA, INC.
    (A) FULL
    (B) EMPTY
    (C) Fuel sub level sensor seating surface
    Float position Standard
    FULL - Fuel sub level sensor seating surface H1 138.5±3.5 mm (5.453±0.138 in)
    EMPTY - Fuel sub level sensor seating surface H2 10.3±3.5 mm (0.406±0.138 in)
  3. Check the resistance between fuel sub level sensor terminals by the connector on top of the fuel sub level sensor.
    G12391607Courtesy of SUBARU OF AMERICA, INC.
    Float position Terminal No. Standard
    FULL (A) 1 and 2 8.7±1.0 Ω
    EMPTY (B) 219.7±2.5 Ω
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