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Yamaha Dual fuel flow management harness

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  • Yamaha Dual fuel flow management harness

    Hi guys,
    New to this forum, but have learned and gotten alot of useful info from previous threads/post.
    PROBLEM........
    2001 yamaha(twin) 200 HPDI's running GREAT.....
    Dual fuel flow not working. Display reads all 0's but it was working fine till 6 mos ago.
    Where do I begin trouble shooting? Should I clean sensor(s) by the fuel/water separator first, and what am I looking for?
    Got a gut feeling it's in the bilge area where moisture and humidity live......
    Thanks,
    Sergio389:

  • #2
    I had the same issue.
    Check your connections for corrosion. Make sure that you check your ground at the gauge and also at the fuel flow sensor. Good Luck
    Insufficient Fund$ II - 26' Paramount, twin Yamaha 150 HPDI's
    Sometimes you eat the bear, Sometimes the bear eats you!

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