The newest Duramax L5P engine is still a mystery to some truck owners. It has a slightly different fuel system that includes a lift pump. When a fuel filter monitor shows that it is time for replacement, what do you have to deal with? How many fuel filters on a 2020 Duramax are installed? The 2020 Duramax still has only one diesel fuel filter. Some upgraded options include a secondary fuel filter that works as an additional filter that blocks most of the water from mixing with the fuel. The L...
