This bulletin provides updated parts information and a service procedure to follow for removing...
Subaru technical service bulletin 09-74-21R for 2020-2025 Subaru Outback, 2014-2025 Subaru Forester and 2020-2025 Subaru Legacy and others.
- Bulletin number
- 09-74-21R
- Component
- Engine
- Summary
- This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).
Owners of these vehicles have filed 1,075 complaints in the engine category.
Vehicles covered
- Subaru Outback 2020-2025 202020212022202320242025
- Subaru Forester 2014-2025 20182019202020212022202320242025
- Subaru Legacy 2020-2025 202020212022202320242025
- Subaru Impreza 2017-2025 20182019202020212022202320242025
- Subaru Crosstrek 2018-2025 20182019202020212022202320242025
- Subaru Ascent 2019-2025 2019202020212022202320242025
- Subaru WRX 2015-2025 20182019202020212022202320242025
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