Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2013 Subaru Outback Base, Standard TransFACTORY OEM SERVICE PROCEDURE

Fuel Sub Level Sensor: Inspection

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Check that the fuel sub level sensor has no damage.

Measure the fuel sub level sensor float position.

Fig 1: Identifying Fuel Sub Level Sensor Float Position (Full, Empty And Datum Points)

Courtesy of SUBARU OF AMERICA, INC.

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 (6.32±0.138 in)

Measure the resistance between fuel sub level sensor terminals.

Fig 2: Measuring Resistance Between Fuel Sub Level Sensor Terminals 1 And 2

Courtesy of SUBARU OF AMERICA, INC.

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

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.