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Subaru TSB #09-74-21R
2020 Subaru WRX
TSB Document:
Affected Component: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
- 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).
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