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View Full Version : 2008 4.3 merc I/O w/ less than 35 hrs wont turn over??



play2win
07-06-2011, 09:12 AM
Coming home from 4th of july weekend, and port engine started "bucking". Cruising at 3200, and every 10 sec it would go down to 2500 rpm, than it started happening more intermittent within 2-3 sec - so I shut it down (and took the slow scenic route for an hour, lol). Now engine is not turning over at all. Replaced fuel/water sep, and spark plugs. Thought water got in manifolds, but oil clean, and plugs were dry......Where should I go from here?? Any advise appreciated! This engine is practically brand new!!:confused: