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  1. #1
    Member
    Join Date
    Sep 2013
    Location
    Bartlesville ok
    Posts
    2,668

    Pro xs running not running right

    08 225 pro xs serial number 1b540866. Started a few trips ago where I felt I was hearing a mis. Before the last trip I I had spark plugs changed, fuel filter and new full lines installed. Now the problems getting worse it starts fine and sounds normal but when you put it in gear it spits and sputters and some times dies. Once you get going it seems to run fine but doesn't have enough low end to barely load on trailor. I'm going to see if a dealership can get her in just thought I would ask oppionions from the multiple smart Peaple on here. Ps sorry if my grammar is bad doing the best I can thanks

  2. Member
    Join Date
    Jul 2004
    Location
    Penn PA
    Posts
    15,192
    #2
    Perform a spark test as the problem is occurring.



  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    95,242
    #3
    Need to check all of the Basics:

    -Compression
    -Spark Test
    -Fuel Quality, Delivery, and Air/Fuel Pressure Tests


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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