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Full throttle, barely idles, happens sporadically.

Discussion in 'XJ Technical Chat' started by grigalid, Jun 1, 2011.

  1. grigalid

    grigalid New Member

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    '85 XJ750, Maxim X

    Happened a few times, but seemed to go away. The last time it stuck and i haven't tried it since. (couple of days)

    When I drop down to idle, it almost dies and I have to keep it full throttle to stay alive. Barely idles at full throttle, then kicks in (sometimes) and revs normally.

    Any thoughts?
     
    grigalid, Jun 1, 2011
    #1
  2. JeffK

    JeffK Well-Known Member

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    Have you charged the battery? Most times when people think carburation, the prob turns out to be ignition. Almost sounds like it's only running on one cylinder then the others kick in....wierd. Have you got a fuel filter on it?

    Where are you located? If you list it in your profile, you might find some local help.
    jeff
     
    JeffK, Jun 1, 2011
    #2
  3. BillB

    BillB Active Member

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    Could be the petcock screwing up too or a kinked gas line.
     
    BillB, Jun 1, 2011
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