There are 1 owner-reported fuel system complaints for the 2001 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
EXCESSIVE GAS FUMES FROM CAR. DEALER AND OTHER SERVICE CENTER LOOKED FOR PROBLEM SEVERAL TIMES. AFTER CAR WAS UNFIT TO DRIVE - SMELLED SO BAD FROM GASOLINE FUMES - A SERVICE GARAGE REMOVED THE FUEL TANK. THE FUEL WAS SEEPING THROUGH MOLDED IN PLASTIC CONNECTION FITTINGS ON TOP OF THE TANK AT THEIR MOLDED INTERFACE TO THE TANK - THE TANK IS A POLY TYPE TANK. THE TANK WAS REPLACED. THIS IS CLEARLY A DESIGN DEFECT. HAD THE FUMES BEEN NEAR AN IGNITION SOURCE A POSSIBLE FIRE OR WORSE COULD HAVE RESULTED. IT IS MY OPINION THAT THE DISSIMILAR MATERIALS USED FOR THE TANK AND FITTINGS LOST THEIR SEAL OVER TIME. AUDI OF AMERICA HAS SHOWN NO INTEREST IN DEALING WITH THIS. SINCE THERE WERE 4 FUEL TANKS AVAILABLE ON A FRIDAY AND ON THE FOLLOWING MONDAY, THERE WERE NONE, SO I HAD TO WAIT UP TO 2 ADDITIONAL WEEKS TO GET A TANK - I SUSPECT THEY ARE KEENLY AWARE OF THIS DEFECT. THIS CAR HAS BEEN GARAGE KEPT, I AM ORIGINAL OWNER, AND IT HAS NO ACCIDENTS. I HAVE THE ORIGINAL FAILED FUEL TANK AT THIS TIME. DATE OF REPAIR 6/29/09 TO 7/21/09. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026