It doesn’t pay to over filter a fuel system
Diesels and some
injected petrol engines need to be well filtered because of the fine tolerances in the injection system but over filtering can cause problems and introduces ‘something else to go wrong’
Follow the manufactures recommendation they tend to know best
Water in fuel is an issue and can be avoided by keeping the tank full and filtering all the fuel before it goes into the tank, Racor make funnels with built in filters.
Equally regular checking for water in float chambers or separators will catch a problem early.