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  1. #1

    Smile MSX 140 HO limp-home mode?

    I am new to this site today and hope I can find some help for my 2004 MSX 140 HO ski. The ski has been trouble free for 6 years until last summer when it started having a fuel problem. I replaced the fuel pump and the throttle positioning sensor and all was well. Ski will run about 63 mph(gps) within the first 7 minutes of running and then apparently goes into the limp home mode. If you let it cool off for about a half hour, you can repeat the scenario again. It appears to either be a computer issue or cooling issue, I just don't know how to check either. Is there a way to pull codes from the computer? Any help will be appreciated!


  2. #2
    Click avatar for tech links/info K447's Avatar
    Join Date
    Jul 2007
    near Toronto, Canada

    Use my signature links to learn about the simple LED code reading tool, and other diagnostics.

    Check the water cooling feed for the EMM, make sure it is actually flowing.

  3. #3

    Join Date
    Jun 2008
    windsor ont
    check the screen in the pump where to supply line has directional holes to feed water.some how mine came out and had overheating issues till i replaced it

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