TL*THE CONTACT OWNS A 1991 FORD E150. WHILE DRIVING 35 MPH, THE CONTACT HEARD A LOUD HISSING SOUND COMING FROM THE VEHICLE. HE INSPECTED THE VEHICLE AND NOTICED BURN MARKINGS INSIDE THE FILLER CAP AS WELL AS OUTSIDE OF THE FUEL TANK. HE STATED THAT THE COMPONENTS ON THE INSIDE OF THE FUEL TANK WERE BURNED. AS OF OCTOBER 1, 2007, THE DEALER AND MANUFACTURER HAD NOT INSPECTED THE VEHICLE. THE CONTACT BELIEVED THAT A SHORT CIRCUIT CAUSED THE FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 193,000.