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When To Replace A Fuel Filter

When To Replace A Fuel Filter

Jul 01, 2019

Even with cleaner gasoline coming out of the pumps these days, we still recommend replacing fuel filters regularly on vehicles where it’s possible to do so. For newer cars and trucks, go with replacement every 60,000 miles – unless the manufacturer says to do it more frequently.


If the manufacturer specifies replacing the fuel filter at 30,000 miles, do it. The quality of gasoline may have improved, but filters designed for older vehicles tend to be smaller in size because they were meant to be replaced more often. No matter how you look at things, a smaller filter is going to reach the end of its functional lifespan sooner.


If your filter already has a few miles on it and you’ve accidentally run out of gas, we strongly recommend replacing your fuel filter(s) right away - assuming it can be serviced. This is because any aforementioned debris collecting at the bottom of the tank has now been drawn into the fuel pump and sent forward to the filters where it has jammed up. This has an extremely negative effect on fuel flow, and the extra strain of pumping fuel past gunk blockage can often finish off older fuel pumps which would otherwise have some life left in them.


The same logic applies if the vehicle has been regularly driven for a period of time with the fuel level low. What we’re referring to is the person who always drives around on an empty tank, putting no more than $10 of gas in at a shot. When the vehicle draws from the bottom of the tank all the time, fuel filters can become quite clogged. For obvious reasons, this type of driver often suffers from a failed fuel pump.


Modern engines equipped with high-pressure fuel systems have injectors with extremely tight tolerances. Small debris that wouldn’t clog an old fuel injector can permanently damage a new one if fuel passages become blocked. Or, fuel may just drip out of the injectors instead of producing a fine mist spray needed for optimum combustion. more details on - https://www.carid.com/articles/when-is-it-time-to-replace-my-fuel-filter.html