TL* THE CONTACT OWNED A 2000 BUICK LESABRE. WHEN THE IGNITION KEY WAS TURNED TO THE ON POSITION, THERE WAS AN ABNORMAL EXPLOSION FROM THE FRONT OF THE VEHICLE. THE CONTACT STATED THAT SMOKE AND FLAMES APPEARED UNDER THE HOOD OF THE VEHICLE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A FIRE REPORT WAS FILED. THERE WERE NO INJURIES. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V090000 (FUEL SYSTEM, GASOLINE). THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 138,900. THE VEHICLE WAS DESTROYED.