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Kawasaki Mule UTV owners

Website for Mule UTV owners and Louisiana ATV UTV Winn/Grant Parish ATV UTV Owners
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  • 03/21/2016

    4010 Mule surging

    Filed under: louisiana,mule — tmaster @ 12:00 pm

    Having problems with my 4010 mule surging.

    This is what I have finally found was causing it.

    Factory recommended cleaning and then changing throttle body which solved it for 1 week.

    The real problem appears to be the ethanol gas. We switched to non ethanol gas and after about a month the problem went away. Also ran some fuel injector cleaner through it.

    Looks like when buildup shows up on the injectors a bug in the computer doesn’t know what to do so it starts surging trying to solve the problem. A software update would fix the problem and perhaps changing to a 3rd party computer might also solve it.

    Right now this engine can not run on ethanol gas.

    If you are having the same problem you need to run the tank dry fill it up with non-ethanol gas and add the fuel injector cleaner you add for cars. You should see improvements right away and after 2 tanks the surging should go away.

    They really need a recall on this they need to change this software or they need to redesign the injectors and sensors to the ethanol gas doesn’t affect them.


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