There are 5 owner-reported engine complaints for the 2003 Audi A6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* TAKATA RECALL. THE CONTACT OWNS A 2003 AUDI A6. THE CONTACT STATED WHILE DRIVING AT VARIOUS SPEEDS ON THE HIGHWAY, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOT CONTACTED AND MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 149,000. THE VIN WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2003 AUDI A6. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT STATED THAT THE FAILURE OCCURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO AN UNKNOWN DEALER AND THE CRANKSHAFT SENSOR WAS REPLACED, BUT THE FAILURE PERSISTED. THE VEHICLE WAS NOT TAKEN BACK TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS CONTACTED, BUT WAS UNABLE TO ASSIST. THE FAILURE MILEAGE WAS 149,000.
AT TIMES WHEN DRIVING THE CAR THE ACCELERATION BECOMES SLOW AND IT STALLS WITH A JERK LIKE IT'S GOING TO JUST STOP ALSO, WHEN THE CAR IS PUT IN REVERSE GEAR IT WILL NOT MOVE. I AM STUCK. THE PRND FLASHING ON THE DASHBOARD. I BECOME AFRAID BECAUSE THIS CAN CAUSE SERIOUS ACCIDENTS.
FAULTY IGNITION COILS (SO FAR 3 OUT OF 6 CYLINDERS WENT BAD). ON THREE OCCASIONS AFTER STARTING AND PUTTING THE CAR INTO THE GEAR, SHAKING ENSUED AND THE "CHECK ENGINE" LIGHT TURNED ON. THE CAR HAD TO BE TOWED EACH TIME TO THE DEALER WHERE THE FAULTY PARTS WERE REPLACED. *JB
WHILE DRIVING VEHICLE STALLED ON NUMEROUS OCCASIONS. DRIVER WAS MAKING A LEFT TURN AT AN INTERSECTION AND VEHICLE STALLED. DRIVER T WAS UNABLE TO RESTART VEHICLE. MECHANIC CLAIMED THAT THIS PROBLEM COULD NOT BE DETERMINED NOR DUPLICATED. DRIVER INFORMED THE MECHANIC THAT THIS PROBLEM HAPPENED MORE THAN ONCE AND HAS NOT BEEN SOLVED. *AK THIS IS THE 4TH TIME CAR HAS BEEN TO THE DEALER FOR THIS PROBLEM. IF PROBLEM HAPPENS AGAIN, CONSUMER WILL RETURN TO THE DEALER. *BF *NM
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