There are 2 stored owner reports matching the fuel system leading-label group for the 2011 Lincoln MKS 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)ENGINE BEGAN TO RUN ROUGH AND MISFIRE WHILE TRYING TO ACCELERATE ON THE INTERSTATE, FOLLOWED BY A COMPLETE LOSS OF POWER AND VIOLENT SHUDDERING. BIG CONCERN WHEN TRYING TO PASS OTHER VEHICLES, AS I WAS ALMOST REAR ENDED BY A TRACTOR TRAILER. PROBLEM BECOMES WORSE AND MORE FREQUENT WHEN TRYING TO ACCELERATE UP HILLS. FOUND OUT THIS PROBLEM IS ADDRESSED IN FORD TSB 11-08-19, MOST LIKELY CAUSED BY POWERTRAIN CONTROL MODULE LOSING CALIBRATION. THIS INFORMATION WAS MADE KNOWN TO SERVICE WORKERS, BUT NOT CAR OWNERS. PROBLEM EVENTUALLY RESULTED IN THE BURNING OUT OF THE CAR'S BANK 2 CATALYTIC CONVERTER, SPARKS PLUGS, AND IGNITION COILS.
TL* THE CONTACT OWNS A 2011 LINCOLN MKS. THE CONTACT STATED THAT ANOTHER DRIVER INFORMED HIM THAT FUEL WAS LEAKING FROM THE ENGINE AND HE SMELLED A STRONG ODOR IN THE VEHICLE. UPON EXAMINING THE VEHICLE, THE CONTACT NOTICED THAT A FUEL LINE WAS PUNCTURED. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER, WHERE THE CONTACT WAS INFORMED THAT A RODENT CHEWED THROUGH THE PLASTIC FUEL LINES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND SENT AN INVESTIGATOR TO EXAMINE THE VEHICLE. THE FAILURE MILEAGE WAS 5,000.
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.