PCM 351 Ford Pro Boss Surging Issue

Discussion in 'Engine Questions' started by JayB119, Apr 25, 2017.

  1. JayB119

    JayB119 New Hydrodyner

    Joined:
    Jun 1, 2010
    Messages:
    6
    Boat Model and Year:
    1994 Grand Sport
    I have noticed a surging issue in mid-range RPM's. I have changed the plugs, fuel, fuel filter, but have had no luck. Does anyone have an idea of where to go next with this?
     

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