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Troubleshoot fuel gauge

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  • Troubleshoot fuel gauge

    Hello everyone, I have a 2002 ox66 250 hp 2 stroke. My fuel gauge doesn't move from FULL. It shows all the bars on the digital gauge all the time. Is the gauge broken or the sender? How can I trouble shoot it to determine which on is the problem? Thanks

  • #2
    Disconnect sender wire from fuel tank sender and turn key on, gauge should read empty. If does then bad sender, if doesn't then have a shorted pink wire(disconnect wire from gauge and retry to eliminate harness) or bad gauge.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      thanks a lot. will try it

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      • #4
        remember, it may take up to 30 seconds per bar to readjust the reading on the gauge.
        this is a built in delay to prevent bar scaling in a sea.

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