Engine Problems of Jaguar XJ8

My 2000 Xj8 Jaguar, with approximately 36k miles, began running very badly and surging unexpectedly. The car became very dangerous to drive and I narrowly avoided having, what could have been severe accidents, on more than one occasion. The car was taken to two Jaguar dealers, who could not identify the proble. One kept saying the car needed a new throttle body. After the car had its third throttle body, at my expense. . . And after getting the new jersey Jaguar representative involved, the dealership decided the problem probably was not the throttle body. The car has been to three other mechanics, one of those has had it three times. None could identify the source of the problem, although all agreed the vehicle could not be driven safely. The last mechanic, who has had the car since November, was working on the car when it dropped a valve. Turns out the timing chain had apparently jumped two teeth due to wear in the plastic guides. I have since discovered the Jaguar forums indicate this is a persistent problem with this model and is well know to Jaguar. Jaguar has even recommended upgrading to the metal replacement guides, at the owner's expense, however, the owner's were never notified. I am facing a very expense repair for a known deficiency in the design of this engine. For some reason, a recall has never been issued. I feel Jaguar has the majority of responsibility for this repair. I, and others, could have easily been killed or seriously injuried, due to this known problem. Due to this problem I was only able to drive my car 50 miles the past four years. It has spent the remainder of the time at various mechanics. . . Including Jaguar dealerships. I would like to see some cop-ability on the part of Jaguar.

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My 99 Xj8l Jaguar wouldn't start and I took it to a mechanic--he said 4 of my 8 cylinders stopped working and I needed a new engine. I did a vehicle search for my car and found out there was engine problems from the manufacturer its called the nikasil problem - document numbers are s491v6 or v5. I need to know if my car fall under this problem. I kept up with all of the maintenance suggestions( oil change,mileage checkups). , and my engine still failed at 87715 miles.

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- the contact's stated the vehicle was purchased on August 30th 2006, and had problems with loss of power. The vehicle lost power about 100 times while driving65 mph. The contact took the vehicle to the local Jaguar dealer for a check up. The dealer informed him that they did not know the cause of the failure. The contact states that on November 20, 2006, while exiting the highway, the vehicle was involved in a crash due to loss of vehicle power and difficulty in steering. The conta CT's vehicle struck the vehicle in front of her. The incident was reported to police. After the crash, the contact states took the vehicle to dealer an oil change and was informed that the vehicle had a recall on file. The contact took the vehicle back to the dealer ,and was informed that it had already been repaired in November 2004. Also , was told that the vehicle was out of warranty, and so the costs of repairs would not be covered. The manufacturer refused to cover the repairs since the recall problems had already been repaired in 2004.

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Consumers 1998 Jaguar shuts off while driving. (11/16/05) the dealer was unable to repair the vehicle.

Contact states while driving her vehicle on the express way approximately 75 mph vehicle completely shut down. There has been a recall issued on the throttle body. This was replaced. The contact was still having problems, the throttle body has been replaced 4 times. The service dealer stated there wa slow cylinder compression, and that the engine needed to be replaced. Another mechanic stated that the throttle body was still the problem.