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2004 Audi A6
fuel system Problems
Worst 2004 A6 fuel system Problems
Click on a problem below to read more.
- NHTSA: Fuel System, Gasoline4
- NHTSA: Fuel/Propulsion System2
- NHTSA: Fuel System, Gasoline: Storage: Tank Assembly1
- NHTSA: Fuel System, Other1
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Check out our Audi A6 overview to see the most problematic years, worst problems and most recently reported complaints with the A6.