I TOOK MY TRUCK INTO A DEALER BECAUSE THE EXHAUST SYSTEM WOULDN'T CLEAN ITSELF. I FOUND OUT THERE WERE RECALLS PERTAINING TO THIS AND THEY WERE HANDLED AS FAR AS I KNEW. HOWEVER, JUST A FEW WEEKS LATER AS I WAS PULLING INTO MY DRIVEWAY AT HOME I NOTICED SMOKE BARRELING OUT FROM UNDER THE HOOD. I IMEDIATELY TRIED TO SHUT IT OFF AND WHEN I DID IT WOULD REV UP HIGHER INSTEAD OF SHUTTING OFF. I GOT IT TO SHUT OFF FINALLY AND LEFT IT SITTING THERE OVERNIGHT UNTIL I COULD GET A TOW TRUCK TO TAKE IT BACK TO THE DEALERSHIP, WHERE I WAS INFORMED THAT THIS PROBLEM IS NOW SO COMMON THAT THE PART IS ON BACK ORDER AND NO IDEA OF WHEN THEY WILL BE ABLE TO GET IT. NOW ITS 3 WEEKS LATER AND I STILL HAVEN'T GOTTEN MY TRUCK BACK.