2010 Lincoln Mkt

I BOUGHT CERTIFIED (CPO) 2010 LINCOLN MKT IN AUG 2013. IT HAD A MILEAGE OF AROUND 50500 MILES. AFTER RUNNING JUST AROUND 5K, IT SHIVERED AND BROKE DOWN ON A TRIP WHEN I WAS ABOUT TO MERGE TO HIGHWAY FROM AN EXIT AND THERE WERE WHITE FUMES FROM THE CYLINDER. AT FIRST THEY MENTIONED, THERE IS A PROBLEM WITH FUEL INJECTOR AND IT NEEDS TO BE REPLACED. LATER THEY MENTIONED OF A PROBLEM WITH FEW OTHER PARTS AND REPLACED THE SAME TOO. THEN THEY MENTIONED OF REPLACING THE ENGINE AND DONE THE SAME. BUT PROBLEM DIDN'T SOLVE. LATER THEY CHANGED THE TORQUE SENSOR OR SOMETHING AND GAVE THE VEHICLE AFTER 1.5 MONTHS. BUT I WAS HEARING SOME TYPE OF NOISE FROM THE HOOD AND RETURNED TO DEALERSHIP IN 2 DAYS. AND THEN THEY MENTIONED OF REPLACING ENGINE BELT AND AXLE. BUT STILL PROBLEM WAS UNSOLVED AND THEY ASKED ME TO AUTHORIZE FOR OPENING THE DASH TO DETERMINE THE PROBLEM. BUT I OPPOSED IT AND CONTACTED LINCOLN. LATER THEY AUTHORIZED THE LABOUR AND TOOK THE CAR AGAIN TO WORKSHOP. AFTER THAT THEY CHANGED PULLEY BELT. BUT THE NOISE DIDN'T DISAPPEAR. LATER THEY HAD AN ENGINEER FROM LINCOLN COME AND EXAMINE THE VEHICLE. AND THE ENGINEER ASKED OF REPLACING THE TRANSMISSION. BUT IT TOO DIDN'T WORK. AND THE LINCOLN ENGINEER CAME UP AGAIN AND MENTIONED OF REPLACING 1 UPPER ENGINE MOUNT, 1 UPPER TRANSMISSION MOUNT, 1 FRONT ENGINE ROLL RESTRICTOR, 1 REAR ENGINE ROLL RESTRICTOR. IT'S ALREADY MORE THAN 4.5 MONTHS SINCE WHEN VEHICLE IS UNDER REPAIRS AND WITH NO LUCK. IN BETWEEN A CLAIM WAS MADE WITH LINCOLN TO BUY BACK OR REPLACE THE VEHICLE, BUT THEY REFUSED THE SAME AS WELL. SO FAR BELOW REPAIRS HAVE BEEN MADE BUT THE PROBLEM IS STILL NOT SOLVED 100%. *TR