One problem related to engine has been reported for the 2005 Audi A4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Audi A4 based on all problems reported for the 2005 A4.
The contact owns a 2005 Audi A4. While driving 2-5 mph in reverse, the vehicle would not accelerate and the engine warning indicator light illuminated. The vehicle was taken to the dealer and they stated that the coil that distributes spark to the cylinders degenerated and lost power. The dealer replaced four ignition coils. The current and failure mileages were 52,000.