WENT OUT TO START CAR. TURNED ON KEY, SET RADIO. THEN TURNED KEY TO START ENGINE WITH A RESULTING LOUD EXPLOSION FROM UNDER HOOD. IN HURRY TO GET UP HOOD AND EXTINGUISH FIRE EXPERIENCED BURNS ON HANDS FROM LIFTING HOOD AND A FUEL LINE THAT WAS SQUIRTING FUEL/FLAMES. FIRE EXTINGUISHER EXTINGUISHED FLAMES. UPPER INTAKE MANIFOLD IS BLOW APART WITH MULTIPLE SENSORS DESTROYED. THANK GOD THIS HAPPENED AT HOME WITH AN EXTINGUISHER HANDY AND NOT DRIVING DOWN THE ROAD WITH NO TIME TO SLOW DOWN. *TR