NHTSA Complaint #10237247 — 2008 FORD F-350 SD

I LEASED A 2008 F350 6.4 LITER IT WAS SMOKING OUT OF THE TAILPIPE OFTEN SO I CALLED THE DEALER AND THEY SAID IT WAS NORMAL OVER THE NEXT FEW MONTHS IT GOT WORSE THEN I HAD THE OIL CHANGED AT THE DEALER AND THE SMOKE CHECKED THEY SAID IN THE PAPER WORK IT WAS UNDETERMINED 1 MONTH LATER I LOST ALL POWER AND THE TRUCK DIED THE OIL CAP WAS NOT PUT ON AND THERE WAS OIL EVERYWHERE SINCE THEN THE SMOKE HAS GOTTEN WORSE SO I STARTED TO GO TO A SMALL MECHANIC THAT WORKS ON MY OTHER TRUCKS WELL SINCE THIS INCIDENT THE SMOKE IS MORE OFTEN LIKE TWO TIMES A WEEK FOR 10 MIN SON I BROUGHT IT TO THE DEALER TWO WEEKS AGO THEY HAD IT FOR 3 DAYS AND THEN THEY CALLED ME AND SAID I HAD TO PROVE THAT I HAD THE OIL CHANGES DONE TO IT I OWN FOUR TRUCKS AND THEY ALL GET OIL CHANGES SO I BROUGHT THE RECITES AND THEY SAID BECAUSE I PAID CASH FOR THE OIL CHANGES THE RECEIPT FORM THE MECHANIC WHERE FAKE AND IT WAS A MAINTENANCE ISSUE SO I DROVE IT DOWN THE STREET TO ANOTHER PLACE SINCE THEN ITS UN DRIVABLE IT SMOKES THE HOLE TIME ITS RUNNING WHAT DO I DO? *TR