IN MARCH '97 AND AGAIN IN OCT.'99 THE CAR EXPLODED WHEN CRANKED. THE LAST TIME THE EXPLOSION WAS SO BAD IT BLEW THE SIDE OUT OF THE COVER. A TREMENDOUS AMOUNT OF BLACK SMOKE POURED OUT. NEEDLESS TO SAY, IT WAS VERY UNNERVING. I WAS ADVISED BY THE SERVICE MANAGER THAT THIS HAS HAPPENED TO MANY OTHER PEOPLE WHO HAVE THE '93 ELDORADO AND THAT IN EARLY '97 A SAFETY PRESSURE RELEASE VALVE WAS MADE AVAILABLE TO CORRECT THIS PROBLEM. IT DOES NOT SHOW UP ON MY INVOICE THAT THIS WAS INSTALLED ON MY CAR EITHER TIME IT HAPPENED. I THINK THERE SHOULD BE A RECALL TO CORRECT THIS PROBLEM.