Problems/BRZ/BRZ Fuel Pump Failure (Denso)
    CriticalAffects 2017-2019

    BRZ Fuel Pump Failure (Denso)

    Impeller swells, pump seizes, engine stalls.

    Last updated: 2026-05-15

    Repair cost
    $0–$1,200
    DIY difficulty
    3 / 5
    Severity
    Critical
    Engine, safety, or drivability — fix before driving
    Affected
    2017-2019
    Denso low-pressure fuel pump

    What goes wrong

    Impeller swells, pump seizes, engine stalls.

    Symptoms to watch for

    • Stalls without warning
    • Hard restart
    • Check engine light

    Root cause

    Hygroscopic impeller resin from Denso supplier.

    In-article ad

    Buy time with these

    • Park near home until recall complete

    Permanent fix

    1. Pump replacement under recall 20V-313.

    FAQ

    What causes brz fuel pump failure (denso)?

    Hygroscopic impeller resin from Denso supplier.

    How much does it cost to fix?

    National average $0–$1,200.

    Is this a DIY repair?

    Difficulty 3/5. Pump replacement under recall 20V-313.

    What are the symptoms?

    Stalls without warning; Hard restart; Check engine light

    Sources

    • NHTSA
    • Subaru Owner Forums

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