TL* THE CONTACT OWNED A 2013 KIA OPTIMA. THE CONTACT STATED THAT WHILED DRIVING AT APPROXIMATELY 65 MPH, THE ODOR OF FUEL WAS PRESENT INSIDE THE VEHICLE. WHILE AT A STOP LIGHT THE ENGINE SUDDENLY STALLED. THE ENGINE WAS RESTARTED AND MOMENTS LATER SMOKE AND FLAMES WAS PRESENT COMING FROM UNDER THE HOOD OF THE VEHICLE. AFTER EXITING THE VEHICLE, THE FIRE DEPARTMENT WAS CALLED TO THE SCENE AND EXTINGUISHED THE FIRE. THE VEHICLE WAS DESTROYED. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER AND LOCAL DEALER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 84,000.