There are 3 owner-reported fuel system complaints for the 2012 Lincoln MKXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I WAS DRIVING DOWN 4 LANE DIVIDED HIGHWAY IN FLORIDA AND THIS TIME OF YEAR THERE ARE MANY CITRUS HAULING SEMIS ON THE ROAD IN FACT THREE OR FOUR DIRECTLY BEHIND ME DURING THIS OCCURRENCE. MY VEHICLE WAS DRIVING THEN SUDDENLY WITHOUT WARNING STARTED TO LOSE POWER. ENGINE WAS STILL RUNNING BUT VEHICLE WOULD NOT RESPOND WHILE TRAFFIC BARRELING DOWN ON ME DURING NOON TRAFFIC. I HAD NO OTHER CHOICE BUT TO STEER OFF. HAD TO RESTART ENGINE AND STILL NOT RESPONDING PROPERLY. FINALLY ABLE TO MAKE IT INTO DEALERSHIP WHERE WE WERE TOLD THIS VEHICLE HAD NO RECALLS AND THEY DIDN'T HAVE TIME TO CHECK. THIS HAD HAPPENED ROUGHLY SIX TIMES IN LAST SIX MONTHS VEHICLE HAS ONLY 42000 MILES ON IT I AM UNSURE OF WHAT THE PROXIMATE CAUSE WAS PLEASE HELP
VEHICLE POWER & COMPUTER FAILED (SHUT OFF) WHILE DRIVING AT 40 MPH IN CLEAR WEATHER. *TR
TL* THE CONTACT OWNS A 2012 LINCOLN MKX. THE CONTACT STATED THAT WHEN REFUELING THE VEHICLE, THE FUEL TANK COULD NOT BE FILLED TO CAPACITY. THERE WAS NO INDICATION OF A FUEL LEAK OR ANY ISSUES WITH THE FUEL LINES. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION OR REPAIRS. THE MANUFACTURE WAS CONTACTED AND ADVISED THE CONTACT THAT THE ISSUE WAS NORMAL FOR THE VEHICLE. THERE WERE NO REPAIRS MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 600 AND THE CURRENT MILEAGE WAS 1,500.
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