One problem related to check engine light on has been reported for the 2011 Audi A4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Audi A4 based on all problems reported for the 2011 A4.
The engine would stop running while driving on a street and the freeway, everything else is on. Happened today 10/24/16 and three times within 10 minutes. Restarted car and drove home. Check engine light came on. This happened before on the freeway.