1998 JAGUAR XJ8L Engine And Engine Cooling Problems

THE VEHICLES ENGINE STALLED WITHOUT WARNING WHILE DRIVING AT APPROXIMATELY 60 MPH ON A 4-LANE LIMITED ACCESS HIGHWAY. THE INSTRUMENT PANEL DISPLAY READ ENGINE STALLED. MY WIFE WAS DRIVING AND SHE WAS ABLE TO COAST THE CAR TO THE SIDE OF THE ROAD TO A SAFE STOP. FORTUNATELY THERE WAS NO OTHER TRAFFIC IN THE IMMEDIATE VICINITY. THE ENGINE RESTARTED ONCE THE IGNITION WAS TURNED OFF AND BACK ON. WE HAVE EXPERIENCED SIMILAR INTERMITTENT STALLING OVER THE LAST YEAR OR SO, BUT NEVER AT HIGHWAY SPEEDS. LAST JULY (2003) A LOCAL JAGUAR DEALER REPLACED THREE (3) ENGINE RELAYS AND DECLARED THE PROBLEM FIXED, BUT IT STARTED RE-OCCURRING AGAIN WITHIN A FEW MONTHS. THE CAR IS CURRENTLY IN THE SHOP HAVING THE PROBLEM LOOKED AT AGAIN. THE INITIAL RESPONSE FROM THE TECHNICIAN WAS THAT THE SAME THREE ENGINE RELAYS ARE BAD AGAIN, BUT I ASK FOR A MORE THOROUGH ANALYSIS OF...

MY 1998 JAGUAR XJ8L CONTINUALLY STALLS AT HIGHWAY SPEED...JAGUAR KNOWS ABOUT THE PROBLEM AND USES IT AS A SOURCE OF CASH FLOW, CHARGING SEVERAL HUNDRED DOLLARS EACH 10,000 MILES TO REMEDY THE SITUATION THROUGH REPLACEMENT OF THE THROTTLE BODY OR CLEANING OF THE BREATHER PORTS...THIS CAR SHOULD BE RECALLED.*AK

MY 1998 JAGUAR XJ8L STALLED AT HIGH SPEED (70 MPH) ON THE FREEWAY FOR THE THIRD TIME IN THE LAST SIX MONTH WITH NO WARNING. THIS CAUSE ME TO HAVE VERY LITTLE CONTROL OVER MY CAR. I WAS ABLE TO STOP THE CAR AND RESTART WITH NO PROBLEM. I CHECKED AN INTERNET SITE WHICH HAS A FORUM DOCUMENTING THIS PROBLEM. THIS IS A SERIOUS PROBLEM ON THE FREEWAY. VERY SCARY.