TL* THE CONTACT OWNS A 2000 FORD E-350. WHILE DRIVING 70 MPH, THE VEHICLE ACCELERATED WITHOUT WARNING. THE BRAKE PEDAL WAS DEPRESSED, BUT THE VEHICLE FAILED TO DECELERATE. THE CONTACT PLACED THE GEAR SHIFTER INTO NEUTRAL TO STOP THE VEHICLE. THE CONTACT COASTED THE VEHICLE OVER TO THE SIDE OF THE ROAD AND POWERED OFF THE ENGINE TWICE. WHEN THE VEHICLE WAS RESTARTED, IT OPERATED NORMALLY AND WAS DRIVEN TO THE CONTACT'S RESIDENCE. IN ADDITION, WHILE DEPRESSING THE BRAKE PEDAL, SMOKE APPEARED FROM THE BRAKE PEDAL. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 169,000.