2000 JAGUAR XJ SEDAN Engine And Engine Coolingengine Problems

JAGUAR 2000 XJR: WHILE DRIVING VEHICLE WOULD SUDDENLY DISPLAY WARNING MESSAGE THAT TRACTION CONTROL / ASC WAS NOT AVAILABLE AND WOULD GO INTO A FAILSAFE ENGINE MODE. ENGINE WOULD THEN RUN VERY ROUGHLY AND WOULD NOT ACCELERATE PAST 5-10MPH. MECHANIC DIAGNOSED A FAULT CODE OF P0121 WHICH IS ADDRESSED AS A KNOWN JAGUAR TECHNICAL SERVICE BULLETIN FOR A "MISMATCHED" CONNECTOR TO THE THROTTLE BODY. INTERNET RESEARCH REVEALS THAT THIS IS A VERY COMMON PROBLEM EXPERIENCED BY MANY JAGUAR OWNERS THAT IS KNOWN BY JAGUAR AND CONSTITUTES A SAFETY HAZARD. JAGUAR KNOWS THAT IT MISMATCHED GOLD AND TIN PLATED THROTTLE BODY CONNECTORS AND ADVISED ITS REPAIR TECH'S TO REPLACE ONLY IF CUSTOMER COMPLAINS! HOW WILL A CUSTOMER KNOW SUCH A PROBLEM EXISTS UNTIL IT HAPPENS AND IT WILL HAPPEN EVENTUALLY. ANYTHING THAT MAY SUDDENLY AND WITHOUT WARNING AFFECT A VEHICLE'S ABILITY TO ACCELERATE IS A MAJOR SAFETY HAZARD. JAGUAR SHOULD HAVE...