There are 3 owner-reported fuel system complaints for the 2012 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
HAVING ACCELERATION PROBLEMS. VARIES NOT CONSISTENT. WHEN APPLYING PEDAL TO ACCELERATE. THE CAR DOESN'T RESPOND. RPM DROPS TO ZERO. ENGINE STILL RUNS BUT NO MOVEMENT. RELEASING PEDAL AND TRYING AGAIN WORKS INTERMITTENTLY. SCARY WHEN TRYING TO GET CAR OUT OF DANGER.
FUEL IS LEAKING FROM THE FUEL PUMP FLANGE AND PRODUCING A STRONG GAS SMELL IN THE CAR. THE ISSUE IS VERY SIMILAR TO NTHSA CAMPAIGN 16V660.
ONLY FIVE MINUTES AFTER STARTING CAR IN MORNING, ENGINE RAPIDLY LOST POWER AND QUIT COMPLETELY WHILE IN 60 MPH TRAFFIC ON HEAVILY TRAVELED INTERSTATE 526 IN CHARLESTON, SC. COASTED CAR OUT OF TRAFFIC LANES TO SIDE, A VERY DANGEROUS LOCATION ON ELEVATED ROADWAY. HAD CAR TOWED TO AUDI DEALER, WHO SAID THEY TESTED AND FOUND FUEL PUMP HAD FAILED. THEY REPLACED FUEL PUMP AND ENGINE SEEMS TO RUN NORMALLY NOW. IN FOUR DECADES OF DRIVING I'VE NEVER HAD A FUEL PUMP FAIL. THIS ONE PUT MY WIFE AND ME IN JEOPARDY DUE TO THE SUDDEN AND COMPLETE LOSS OF ENGINE POWER IN MIDDLE OF FAST, HEAVY TRAFFIC. WE WERE LUCKY TO GET OUT WITHOUT BEING HIT BY ONCOMING TRUCKS & TRAFFIC. *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 26, 2026