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2002 150 HPDI RPM Fluctuates

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  • 2002 150 HPDI RPM Fluctuates

    Both motors are a little harder to start than normal, once started, they idle and I can *****
    fine upto about 1200 RPM. After 1200 to about 2000, the RPM’s fluctuate up and down. If I hammer the throttles to WOT, the motors work their way through the fluctuations and will stay at whatever RPM o set them at over 2000 rpm. No problem cruising all day long at 4000 rpm. Anyone else experience this?

    Had high pressure pumps cleaned last fall, nee injectors in starboard engine, new filters, running ring free.
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