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  1. #1

    Unhappy gp1300r helppppp plzzzzzzz

    So I have an 03 gp1300r was out in the water one day engine temp light came on jetski shut off. Ok cool got towed in next morning tried turning on light was still on. Ordered new temp sensor .replaced it jet ski turned back on everything good. Took it out to the water after about 45 mins of riding code 19 poped up for battery voltage too low so I shut off and turned it back on code went away and half a mile down engine temp came back on and im back to square zero .what could be my problem???? Engine is not hot what so everr


  2. #2
    04gtxsc's Avatar
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    Did you check the battery voltage when the ski is running. You may not be charging your battery. Did you check to see that you do not have anything blocked weeds etc that might plug up the cooling. Maybe just a coincedence

  3. #3

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    Do you still catalytic converter?

  4. #4
    Cluster reads max 11.5v when running and yes catalytic converter is removed

  5. #5
    powerstroke specialist mikegp's Avatar
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    it needs to be around 14v, mines was at 14.1v all the time.

  6. #6
    powerstroke specialist mikegp's Avatar
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    either your stator is bad or your voltage regulator die, or corrosion at the regulator connector.

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  8. #7
    checked ohms on engine temp sensor in hot water like the manuals says, numbers are what specifications call for. checked all plugs for corrosion ,checks continuity from start of wire from sensor to where it ends ,wire fallows all the way!! idk what else to do, when you try cranking it turns over 3 to 4 times before the long beep with the temp light on ,any other suggestions , help gladly appreciated

  9. #8
    powerstroke specialist mikegp's Avatar
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    witch of the temp sensors are you replacing? location?

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  11. #9
    The one on the block. Tampa fl

  12. #10
    Prism's Avatar
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    Fix the low battery voltage.


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