Most PCM engines should not have a fuel filter in the tank. Some can have one and others can have 2 filters. The primary filter you'll want to check is the FCC filter. From everything you've said it doesn't sound like a fuel fitler issue. Typically fuel issues will cause your boat to run rough and you would probably know right away. If it ran fine, but shut down, that sounds more like a failing fuel pump. The fuel injected PCM engines have 2 fuel pumps, a high pressure and low pressure so keep that in mind. Also, just food for thought becuase this has happened, if you haven't checked your cap lately, check it. I've seen caps be so corroded that they cut interupt spark to the spark plugs and can cause a boat to do what yours is doing. More than likely fuel pump "IMO"
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