Audi A4 2005–2006 — technical service bulletin
Bulletin TSB-24-07-20 · NHTSA communication 10032811 · issued Dec 13, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2005–2006
model years
4
vehicle entries
Official summary
Audi: cold engine runs rough or stumbles; warm engine may stall when engaging gear and vehicle is stationary. Engine may idle rough after a cold start; engine may stumble or hesitate at slow initial acceleration after a cold start and under certain weather conditions. Engine may attempt to stall at idle when transmission is shifted from neutral or park to drive or reverse when coolant temperature is above 176% (80%) and the vehicle is stationary. No diagnostic trouble codes (dtc) are associated with this condition. *pe
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.