Question about 1998 Jaguar XJ8L

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My XJ8L stalled on the road when I pulled over it started again

Found a Relay Part number LNA6706AA APA Relay? That the housing is damaged and corroded. Could this have something to do with this problem ? Plus I just had it in the Jag Dealership for a complete tune up new plugs, fuel filter and oil etc this last week ? it was almost like vapor lock but I live in Colorado and its not to hot right now Thank You Doug

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  • DOUGLAS W. PINE Jan 29, 2009

    Khann313,

    Hi ,

    Thank you for your response, what happened was I was driving and I had my foot on the accelerator and the it felt like I couldn't accelerate, so I pulled over. The car was still running, so I shut it off, then restarted it, then it ran fine. The next day, my top hose came off the engine side of the coolant housing and I guess the Jag Mechanic that worked on this a day before, states that they had a bad batch of thermostates, but now the housing was swollen and now I have carbon dioxide in the coolant, they are trying to say that there must have been something wrong before. The engine was fine, before the tune up. Do you think the head gaskets or worse ? As far as the throttle I thought the same and I put some silicone lube on the throttle assembly, seems to be working I'm not sure if I have two problems or one on this. Tell me about this recall I haven't heard about it Mine is a 1998 XJ8L .

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Not sure about your problem... did the engine stall out while driving on highway? Were you able to restart after you pulled over? I and many others have had that problem. There was a recall from Jaguar involving the throttle body. Once replaced, I no long have that problem.

Posted on Jan 23, 2009

  • khann313 Jan 30, 2009

    Here is a link to a pdf about the engine cut out/throttle body recall. 

    http://www.scottishactor.net/images/s514...



    My car is a '98 XJ8L also. The problem appeared to be with a faulty throttle body and programming. You would be driving down the highway at 65mph and then loose all acceleration (quite scary when your in the middle of the interstate with traffic). I was able to pull over without getting hit. The car would stall out and then restart and proceed like nothing happened. Check your VIN # and see if it falls with in the list. Jaguar should repair that problem whether you're under warranty or not. I had my upper hose come off too. It was actually the plastic/carbon fitting that the hose connected to. It had deteriorated for some reason, and the hose get hot and slip off that fitting. I'm not a mechanic, but I do tinker with my cars. Hope this helps.  

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