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    duckellar's Avatar
    duckellar Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 4, 2012, 12:07 PM
    Craftsman DYT 4000 18.5 hp Briggs
    Hi, while mowing yesterday engine started running rough and quit.Went out after it cooled and pulled spark plug and lots of gas ran out of engine cylinder.I also pulled off valve cover and it was full of gas.I replaced head gasket last year and it ran good the rest of season.Any ideas why the gas would flood these areas ? Oh and there was not gas in the crankcase.Any help greatly appreciated.
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #2

    Jun 26, 2012, 02:47 PM
    Hi,
    Replace the fuel pump. There is a hole in the diaphrgm.
    Peace,
    Clarke
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