There are 5 stored owner reports matching the fuel system leading-label group for the 2012 Audi S4 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)FUEL INJECTOR LEAKING AND NEEDS REPLACED. MY CAR WAS NEVER ON THE RECALL LIST. SITTING AT AUDI DEALER NOW.
COOLANT PUMP BLEW OUT CAUSING THE ENGINE TO OVERHEAT.
MY COOLANT PUMP WENT OUT AND OVERHEATED THE CAR. THE COOLANT LEAKED OUT. MY CAR ONLY HAS 60K MILES ON IT. AUDI RECENTLY RECALLED COOLANT PUMPS FOR THIS VERY REASON ON THE A4, A5, A6 BUT HAVENT MADE THE RECALL FOR THE S CLASS. PLEASE BE ADVISED THIS IS A SERIOUS ISSUE AND PLACED ME AND FAMILY IN HARMS WAY.
FUEL RAIL LEAKING FUEL. RELATED ISSUES ON OTHER 2011 AND 2012 AUDI S4
TL* THE CONTACT OWNS A 2012 AUDI S4. THE CONTACT STATED THAT THE VEHICLE EXHIBITED A FUEL LEAK. THE VEHICLE WAS TOWED TO THE DEALER HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 10,500 AND THE CURRENT MILEAGE WAS 14,200.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.