Tl*the contact owns a 1999 jaguar xk8. while driving various speeds, the vehicle stalls without warning. the contact took the vehicle to the dealer and they replaced the electronic stability module, electrical wiring, and spark plugs. a technician stated that the vehicle goes into a lymph mode. none of the repairs have remedied the failures. the failure mileage was 53,000 and current mileage was 59,000.