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  1. #1
    Tedcfitz's Avatar
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    GPRXP Starting Problem

    Hey guys - I need some help solving a problem. My GPRXP used to start instantly. Now it takes holding the start button for 4-8 seconds and 2 to 3 tries before it will fire up. While I am doing this, the engine is turning over. When it does start it idles roughly until I give it throttle. This happens every time I want to start it - even when warmed up. Once I start it, it runs great. It is an 08 ROTAX with a X charger.

    I have checked the battery, fuel pump flow and pressure, and gas quality. All are good. It gets plenty of air, and the fuel pump runs for 2 seconds when the DESS key is on the post. Anyone experienced this? This is starting to bum my summer! Thanks!


  2. #2
    Tedcfitz's Avatar
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    So no one has any experience with this?

  3. #3
    h2jim's Avatar
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    Mine does that when the fuel pressure it too high.

  4. #4
    jetskibum1's Avatar
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    Quote Originally Posted by h2jim View Post
    Mine does that when the fuel pressure it too high.
    I was going to say low but he says he has done presures?

  5. #5
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    bad TPS or low voltage @ TPS?

  6. #6
    h2jim's Avatar
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    Quote Originally Posted by jetskibum1 View Post
    I was going to say low but he says he has done presures?
    Lately my fuel pressure has been way off and the ski is so rich it won't start.

  7. #7
    Autosport's Avatar
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    Check battery is fully charged as well, some times if battery isn't fully charged or battery is on the way out it can take a little longer to start.

  8. #8
    Tedcfitz's Avatar
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    FYI - Problem solved! I had a bad injector. I replaced it and now all is well.

  9. #9
    Avi8tor's Avatar
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    Quote Originally Posted by Tedcfitz View Post
    FYI - Problem solved! I had a bad injector. I replaced it and now all is well.

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