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Service bulletins for the 2014 Audi S8

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

654 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Fuel injection are shown. Show all

Bulletins, newest first
011336203523512022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. fuel rail pressure too high; noises from engine compartment
A0120462014753102020-04-02. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
TSB-01-13-362014-01-07. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. AUDI: SOME VEHICLES ENGINE WARNING LIGHT SPORADICALLY ILLUMINATES, WOULD HAVE REDUCED PERFORMANCE WITHOUT LOSS OF POWER/STALLING OR NOISE COMING FROM ENGINE COMPARTMENT DUE TO LOW SYSTEM VOLTAGE, AND NOT ENOUGH ON/OFF RATIO TO KEEP FUEL METERING VALVE CONSTANT IN ALL AREAS, THE ENGINE CONTROL MODULE SOFTWARE NEED TO BE UPDATED. MODEL 2013-2014 S6, S7, A8, S8. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.