Gasoline Fuel System Problems of Jaguar XK8

In two separate instances, my 1998 Jaguar Xk8 has stalled while driving at highway speeds. In both cases, I had started the engine from cold at about 50 degrees ambient temperature, driven about three miles in city traffic, and then entered the freeway. Within about 1 1/2 miles, at a speed near 60mph, the car stalled. An engine monitoring system message read: 'engine stalled" and "check engine". These messages were not present previous to the incidents, nor after I restarted the vehicle. I was able to pull off the freeway. In both cases, I turned the ignition switch to off, and was able to immediately restart the car. No further incidents occurred in the minutes/days following the events. I use premium unleaded fuel from chevron or union 66. These two incidents were separated in time by about 2 months. I am now very concerned about driving the vehicle, as these incidents exposed me to possibly dangerous situations. The local dealer has offered to 'diagnose the problem' at my cost, while also indicating that they have had some similar complaints that they are linking to high concentrations of ethanol in the fuel. Their advice is to wait a couple of weeks from now when ethanol levels will be reduced and/or switch to regular gasoline! after some research, I now find that this situation has occurred frequently among Jaguar owners, and possibly others. To me, this seems to be an engine management issue that would be controlled by the car's computerized efi system.

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I own a Jaguar 1999 Xk8- it has repeatedly gone into the "limp home mode" while on the freeway twice causing cars around me to crash while avoiding me. I have had the car into the dealer multiple times and spent thousands to fix this problem but it still recurs. I have just had a different shop work on it and have gone back 3 times with out it being fixed. I am now afraid to drive in any lane other than the right lane. In trying to find a solution I found that it has been the cause of some accidents and is not uncommon. Most of the dealers I have talked to and the online forums are aware of this problem that relates to the throttle body just shutting down. It occurs randomly. I have gone to driving with a "on board diagnostic" reader plugged in to the port so that if when it happens I can quickly clear the code and move safely out of traffic. It would not surprise me if problem this has caused a large number of accidents. Jaguar must be aware of the problem because the dealers sure are. I hope that you can get them to take corrective measures before more people are injured or killed. Thanks for you consideration. The date of my last service for this problem was 4/22/09 which is the 5th service call for this in the last year and a half. During that time I have only driven it about 6,500 miles and am afraid to sell it.

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We can smell gasoline in the passenger area of the car. It happens whether the windows are up or down, whether the air conditioning is on or off, whether the convertible top is up or down. Usually happens in hot weather, but then again we have only owned and driven the car during the summer. The manufacturer feels that the problem is a combination of high altitude in the denver area, high ambient temperatures, and the fuel formulation in the denver area. They say it only happens in their 4. 0 liter supercharged engines. The problem is intermittent. Jaguar is in the process of buying our car back as they have not been able to correct the defect. It is happening to other customers as well. I feel that this is a safety defect and that the fuel fumes can lead to a fire in an accident or if the car is near an ignition source. These models should be recalled and a full refund given to the owners. Thanks.

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There are strong fumes in interior of vehicle.

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