Engine randomly throttles back

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  • WillyRy
    • Aug 2019
    • 3

    • Gallatin, TN

    • 2002 210 Super Air Nautique

    Engine randomly throttles back

    2002 210 SAN Excalibur 330 engine

    while driving with the throttle up (10-25 mph) randomly my engine will throttle back on its own. Almost like if perfect pass is trying to slow the speed way down.
    I thought it might be PP, so I re installed the og throttle cable ball and disconnected the 2 wire harnesses from the servo.

    Sure enough, engine still throttles back randomly.
    Won't throttle up until I turn off the engine and restart.

    Just serviced the boat (v-drive oil, engine oil, thermostat and thermostat housing upper/lower, and impeller)

    ​​​​​​OIl pressure around 40 (0-80°) and temp 160°. So engine is happy...

    Any thoughts?
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