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Fuel Sub Level Sensor: Inspection

  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
    G07910444Courtesy of SUBARU OF AMERICA, INC.
    Float position Standard
    FULL to Datum point (A) 6.4±3.5 mm (0.252±0.138 in)
    EMPTY to Datum point (B) 163.3±3.5 mm (6.429±0.138 in)
  3. Measure the resistance between fuel sub level sensor terminals.
Fig 2: Measuring Resistance Between Fuel Sub Level Sensor Terminals
G06344829Courtesy of SUBARU OF AMERICA, INC.
Float position Terminal No. Standard
FULL (A) 1 and 2 2.0+0.5-1.0 Ω
EMPTY (B) 62.1±1.0 Ω