Fuel Filters
A fuel filter can actually filter too much. You can filter so many particles out of your fuel that the filter clogs almost immediately. If the filter allows too many particles to pass into your fuel delivery system you end up with clogged jets and injector nozzles. You need to find that special spot between too much and too little. Boeing found that a large number of fuel contamination problems can be traced back to the actual fueling process itself. This is probably the case with cars as well. In other words you can start with clean fuel but once you start putting this fuel into your car you introduce a significant amount of particulates. Anytime you transfer fuel from one container to another you introduce contamination. One source of contaminants that you may not have considered is the fuel tank vent line. As the fuel tank is drawn down ambient air is drawn into the tank through this vent line. Remember we’re talking about particles that are only three or f...