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  1. #1
    Chris gen 1's Avatar
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    Polaris genesis no power to fuel pump

    Hi I have a 2004 polaris genesis I fuel injection. Ran great then all of the sudden it starts and dies no pressure in fuel line. I jumped the brown wire to ground ran fine but dies. Dispay is going crazy speedometer says 10 jumps to 40 and back and hours at 553.5 all fuses fine.??


  2. #2
    Chris gen 1's Avatar
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    Please anyone? I payed over 5,000 for this polaris and don't want more going into it. New engine sbt and all other things. No one wants to work on polaris down here in florida

  3. #3
    Click avatar for tech links/info, donation request K447's Avatar
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    Welcome

    I have been kept busy elsewhere so not had time to help around here.

    I will try to pop back in tomorrow with some specific help.

    In the meantime be sure to look at my signature links and other threads posted that may provide some insight.

  4. #4
    Chris gen 1's Avatar
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    Thank you k447 i'm also mechanically inclined. So i know what to do i have manual and did the step by step process in troubleshoot it. I check The crank position sensor i get 152 ohms at it. And remember it runs fine when u add ground to brown wire but have to keep it above 3500 rpm or it dies out. I check all conections and plugs. BEFORE ALL THIS Happened I change the speedometer hose.. What the hell ran fine an a day ago.Click image for larger version. 

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  5. #5
    Chris gen 1's Avatar
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    Clearwater

  6. #6
    Chris gen 1's Avatar
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    This is inside the emm in the middle is a chip that looks wired and all bubbled up? Any ideas ? Click image for larger version. 

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  7. #7
    Chris gen 1's Avatar
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    Phone number? Or Address?

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Chris gen 1 View Post
    This is inside the emm in the middle is a chip that looks wired and all bubbled up? Any ideas ? Click image for larger version. 

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    It is normal for the Hitachi CPU chip to look frothy around the edges.

    Unless you have seen a bunch of these EMM it is really hard to tell what is normal and what is not quite right.

    Often the failed component still looks normal, it just isn't working properly internally.

    Visibly burned components mostly happen on the EMM power board, not the computer board.

  9. #9
    Chris gen 1's Avatar
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    So what could be my problem of not getting a ground to fuel pump. I read other posts i have a brand new battery with 12.8 volts everywhere

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Chris gen 1 View Post
    So what could be my problem of not getting a ground to fuel pump. I read other posts i have a brand new battery with 12.8 volts everywhere
    You have confirmed solid 12 volt battery power to the fuel pump connector (wire/pin on far opposite side to the Brown wire), correct? There is a fuse or circuit breaker just for the fuel pump.

    The large EMM connector has pin-40 dedicated to the fuel pump. Sometimes that pin gets corroded or burned if the connection was resistive. Check the harness connector and the EMM pin-40 for signs of damage. Pain to get that connector undone as it has a single retaining screw in the middle. 5/32" hex allen key, as I recall (or 5mm).

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