4 recalls affecting the 2013 Audi Audi A4.
On certain vehicles, it is possible that fuel may escape from one or both fuel rails (low-pressure side).
The auxiliary heater element in the air conditioner may fail as a result of overheating in the area of the connectors.
The auxiliary heater element in the air conditioner may fail as the result of overheating in the area of the connectors.
Moisture may enter the electronic components and cause overheating and failure of the additional coolant pump.