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  1. #1
    New Member
    Join Date
    Oct 2011

    Default John Deere 2040 cuts off

    My tractor cuts off for no appearant reason. It is not running smoothly and the idle varies by as much as 400 RPM. It is full of fuel and I have cleaned the priming pump and screen beside the filter. Any suggestions?

  2. #2
    Veteran Member
    Join Date
    Dec 2001

    Default Re: John Deere 2040 cuts off

    Have you changed the filter? If not then I would start with that. If filter is good, then I would suspect a bad injection pump.

  3. #3
    Super Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Coyote Flats,Tx
    JD 4255/Kubota M7040 HDC

    Default Re: John Deere 2040 cuts off

    Does it have good fuel flow from tank to in pump? Is the return line plugged up?

  4. #4
    New Member
    Join Date
    Oct 2011

    Default Re: John Deere 2040 cuts off

    Thanks, I was hoping to not have to take of the filter but I can see that is something I probably cannot avoid. The tractor has a front end loader that makes it difficult to pump the primer. The last time I changed the filter, years ago, I did not think I was ever going to get it pumped back full of fuel.
    Prior to doing that I will start it up and look in the tank to see that the return flow is normal.
    Any more suggestions would be greatly appreciated.

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