You will not know until your engine stops. For this reason fuel filters are just replaced a a set mileage. I recommend every 75,000 miles unless the filter is in the fuel tank. In that case it requires no maintanence.
A dirty/plugged fuel filter is like tying a knot in your fuel line.
There is no way to know for sure. That is why you just replace the filter at a set mileage. I recommend every 50,000 miles.
Bad fuel, dirt in the fuel filter, dirty air filter.
a dirty air filter or a dirty fuel filter will cause a diesel to smoke
The fuel filter removes any contaminents and water that comes from a dirty tank or cheap fuel.
Leaking fuel filter or fuel filter connections; Plugged, dirty or poorly connected fuel injector(s).
no spark, no gas getting to cylinder, dirty carb, dirty fuel filter, wrong fuel/air mix on carb to name a few, dirty air filter....
Water in fuel tank, dirt/rust in fuel tank, algae in fuel tank, plugged/dirty fuel filter, dirty fuel injectors,
dirty fuel filter, bad fuel pump,or clogged fuel lines.start with the fuel filter
It is necessary to have a fuel filter because, back in the 1930s the fuel was dirty so they installed fuel filters to clean the fuel going to engine.
dirty fuel filter
Clogged fuel filter Failing fuel pump Dirty plugs Failing plug wires Dirty Air Filter