We don't have a lot of Audi A3 fuel system problems on file — feel free to add yours here. The most common A3 fuel system problems occur at 20,000 miles. Click on a year below.

Worst Fuel System Problems
vehicle hesitating as though not firing properly 2009 Audi A3
poor mpg 2015 Audi A3
stalls when first started 2009 Audi A3