5.0 mercruiser 2.0 efi surges/fluctuates above 3000 rpm

Discussion in 'General Discussion' started by Tclark18, Aug 1, 2020.

  1. Tclark18

    Tclark18 New Member

    6
    Jul 29, 2020
    2001 Sea Ray Weekender 225
    5.0 Mercruiser Alpha 2 O/D
    Help?..I have a 2001 5.0 mercruiser, 180 hours. I bought the boat this season and issues since day 1. Things I have done is changed cap, could not get rotor off, didn't want to break it. Starter and fuel sender. Now I have an issue I discovered last night. When above 3000 rpms the engine fluctuates a few hundred rpms up and down, when decreased below 3000 it runs fine. Any ideas?
     

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