CAR COMPLETELY SHUTS DOWN WHILE DECELERATING AT ANYWHERE FROM 30-55 MPH. SOMETIMES CAN RESTART, SOMETIMES NOT FOR A HALF HOUR OR SO. THE CAR'S ENGINE COOLANT HAS LEAKED OUT ONTO ENGINE. CAR SHUT DOWN, NO POWER, NO STEERING, NO BRAKES, THEN THE COOLANT SPILLED OUT EVERYWHERE, ENGINE STARTED SMOKING AND NOW THE ENGINE HAS STOPPED WORKING EVEN AFTER REPLACING HEAD GASKET. CAR HAD BEEN INTO DEALERS NUMEROUS TIMES TO NO AVAIL. NO ONE COULD IDENTIFY THE PROBLEM. NOW HAVE A CAR THAT HAD TO BE TOWED AND IS NO LONGER FUNCTIONING. NUMEROUS FUEL INJECTORS WERE REPLACED IN HOPES OF STOPPING THE STALLING OUT AND SHUTDOWNS, BUT NOTHING HAS WORKED. WAITING FOR A COUPLE OF QUOTES ON WHAT IT WILL TAKE TO TRY AND FIX THE ENGINE OR MOST LIKELY NEED REPLACED. THIS HAS BEEN HAPPENING SINCE THE CAR WAS FAIRLY NEW.