One problem related to check engine light on has been reported for the 1998 Jaguar XJ8. The most recently reported issues are listed below.
The contact owns a 1998 Jaguar Xj8. The contact stated that the vehicle would stall without warning when driving at higher speeds of approximately 75 mph. The check engine warning light would illuminate after the failure occurred. The vehicle was not inspected or repaired. The failure mileage was 98,000 and the current mileage was 101,000.