WHILE DRIVING ON THE HIGHWAY HEARRED A BANG, WONDERED IF THE ENGINE BLEW UP, CONTINUE TO DRIVE, DURING THAT TIME VEHICLE BEGIN TO LOOSE POWER AND THEN REGAIN POWER, OFF AND ON, THEN NOTICE VEHICLE ON FIRE, DUE TO THE PLATIC FUEL LINE HAD CRACK LENGTH WISE, GAS SPURTED OUT HITTING THE CATALYTIC CONVERTER AND IGNITED. 1992