TL* THE CONTACT OWNS A 2007 LINCOLN MKX. WHILE DRIVING VARIOUS SPEEDS, A BURNING TAR ODOR WAS DETECTED COMING THROUGH THE VENTS AND SMOKE APPEARED. THE VEHICLE WAS TAKEN TO CHAMPION FORD LINCOLN MAZDA (140 SOUTHTOWN BLVD, OWENSBORO, KY 42303, (270) 684-1441) WHERE IT WAS DIAGNOSED WITH A LEAK IN THE POWER TRANSFER UNIT, WHICH NEEDED REPLACEMENT. THE CONTACT STATED THAT THE VEHICLE WAS NOT REPAIRED DUE TO THE COST. THE CONTACT STATED THAT THE VEHICLE WAS SERVICED PER NHTSA CAMPAIGN NUMBER: 14V682000 (FUEL SYSTEM, GASOLINE). THE CONTACT BELIEVED THAT THE RECALL REPAIRS FAILED BECAUSE THE ODOR AND SMOKE WERE PRESENT BEFORE THE VEHICLE WAS SERVICED PER THE RECALL IN 2015. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.