I recently put my pontoon boat in the lake and when I took it out for a drive it quit running and wouldn't restart.When I got it back to the dock and checked into it I found it wasn't getting any fuel.I unscrewed the fuel filter and the fuel in there was cloudy and thick.I cleaned the filter and put it back together and it will start and run but only if I keep choking it or keep it up on fast idle.Any thoughts?