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HELP with a 250 HPDI

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  • HELP with a 250 HPDI

    I had all the symptoms of a VST screen clogged. Changed screen, pressure filter and water/sep. filters engine ran great but noticed fuel leak at the top of the VST (pinched gasket).
    Replaced gasket and engine would not start, messed with it for hours and found the fuel pressure sensor unplugged (no where near the VST?) Plugged in sensor and engine runs but really bad. Will not go over 2000 rpms or so. I've got 50 psi coming out of the VST and 4.9 volts on the FPS orange and pink wires. Any help would be appreciated.

  • #2
    Look for something else unplugged or a loose ground wire.
    Regards
    Boats.net
    Yamaha Outboard Parts

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