Audi A4 2003–2005 — technical service bulletin
Bulletin 0507 · NHTSA communication 10018427 · issued Nov 21, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2005
model years
3
vehicle entries
Official summary
Sporadically after cold start, engine may run slightly rough for a few seconds and the malfunction indicator lamp may illuminate with only misfire diagnostic trouble codes (dtc) (p0300, p0301, p0302, p0303, p0304) stored in dtc memory. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.