WenmarOpen by Wenmar Pro

Service bulletin 0311

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10005667
Published by NHTSA2004-03-10
Manufacturer's number0311
Manufacturer's date2003-12-03
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

MULTIPLE MISFIRES DETECTED ON SEVERAL CYLINDERS ABOVE A CERTAIN ENGINE SPEED (RPM). MAY BE ACCOMPANIED BY DIAGNOSTIC TROUBLE CODES (DTC) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 AND P0308. ENGINE SPEED (RPM) SENSOR, SPACER NOT REQUIRED. MODELS INCLUDE 2004 AUDI A4, CABRIOLET AND S4. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Trouble codes named

P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308

Vehicles listed
UNKNOWN UNKNOWN1

Listing a model year does not mean every vehicle of it is concerned: the document says which.