DT*: THE CONTACT STATED WHILE DRIVING 60 MPH, WHITE SMOKE EMITTED FROM THE EXHAUST PIPE. THE VEHICLE WAS IMMEDIATELY TAKEN TO A PRIVATE REPAIR SHOP. WHILE THE EXHAUST SYSTEM WAS BEING CHANGED, THE MECHANIC WAS ABLE TO POUR ONE QUART OF GASOLINE OUT OF THE MUFFLER. THE MECHANIC DETERMINED THAT THE FUEL REGULATOR HAD FAILED, PUSHING RAW GASOLINE INTO THE INTAKE. THE NEXT DAY, NEW FUEL INJECTORS WERE INSTALLED. AND WHEN THE MECHANIC MOVED THE VEHICLE, THERE WAS A SMELL OF GASOLINE INSIDE THE VEHICLE. THE MECHANIC SHUT THE ENGINE OFF, AND WITHIN SECONDS, THE ENGINE CAUGHT FIRE. THE MECHANIC SUSTAINED INJURIES ON THE FACE. THE INSIDE OF THE VEHICLE WAS MODERATELY DAMAGED. THE PART MANUFACTURER WAS ALSO NOTIFIED.