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Service bulletins for the 2009 Audi S4

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.

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

By type

By component

By trouble code

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

Bulletins, newest first
Chart2023-10-10. Service bulletin. FUEL SYSTEM, OTHER. Audi Oil Capacity Chart
A0123412014753122023-03-06. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
011309201475382023-01-03. Service bulletin. FUEL SYSTEM, GASOLINE. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
011309201475382022-10-31. Service bulletin. FUEL SYSTEM, GASOLINE. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
011309201475382022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
A0120542014753112020-05-07. Service bulletin. FUEL SYSTEM, GASOLINE. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
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.
A1719982028440_42019-09-09. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. This informational bulletin explains when the range display is empty in the on-board computer. Also A3 Cabriolet 2015-2021, A3 Sportback 2016-2018, 2005 A4 Cabriolet , 2005-2009 S4 Cabriolet, 2010-2012 and 2018-2021 RS5 Cabriolet, 2018-2021 S5 Sportback, 2021 S6, 2005 and 2006 A7, 2005-2011 and 2021 S7 2005-2006 and 2021 S8, 2019-2021 E-Tron Quattro
Dealer Letter -2017-10-21. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. This document contains general information on the upcoming warranty extension on the high pressure fuel pump.

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