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  1. #1
    Member sonnydays's Avatar
    Join Date
    Sep 2010
    Location
    Lake Chesdin, VA
    Posts
    435

    250 hpdi lost rpms?

    Boat always runs at 6000 rpms wot...saturday could only get 5400, I'm a little worried. Going out again monday afternoon, and just wondering some things to check out???

  2. Member
    Join Date
    Jun 2007
    Location
    SE, PA
    Posts
    1,465
    #2

    Re: 250 hpdi lost rpms? (sonnydays)

    Try replacing the spark plugs.

  3. Member
    Join Date
    Jan 2010
    Location
    Hemphill,Tx
    Posts
    10,527
    #3

    Re: 250 hpdi lost rpms? (sonnydays)

    You need to check compression and if all 6 are within 10% variance, then you need to check the fuel filters. They are a common issue on this engine. I wouldn't run it much until you find the problem as running it lean can burn it up.

  4. Member
    Join Date
    Jan 2006
    Location
    Greenfield , Indiana
    Posts
    862
    #4

    Re: 250 hpdi lost rpms? (Charlie206)

    Mine did the same thing. It was water in fuel.

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