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Recent content by Aquaman1

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    Mercury Sport Jet 240 EFI RPM dips out?

    This is a very helpful thread for me because my 2003 240 hp EFI in my Sea-Doo challenger is giving me similar problems. I have attached the video. Is this similar to what your boat was doing?
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    Mercury 240 EFI m2 jet drive engine alarm

    OK, the fuel filters were replaced. I emptied the old fuel filter. There was no water in that filter. I also tested the fuel injection system with a pressure gauge and got a reading of 43 pounds which is what the Manual says it should be plus or -2 pounds.
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    Mercury 240 EFI m2 jet drive engine alarm

    Thanks I will try that
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    Mercury 240 EFI m2 jet drive engine alarm

    Thanks for your response. I’ve ordered new fuel filters. They should be here sometime next week.
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    Mercury 240 EFI m2 jet drive engine alarm

    I have a 2004 Sea-Doo challenger 2000 with the mercury 240 hp EFI M2 Jet Drive. Here is my problem. When I idle out of the marina it runs fine. I go to throttle up no problem. Throttle up and get on plane then in about 20 seconds the buzzer alarm goes. It alarms for about 3 to 5 seconds during...
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