I had my fuel filter changed today and my mechanic said that it was really really really really bad. I guess the didn't do that at my last tune up. Will I get better gas mileage now?
Does having a fuel filter that is not being changed make the truck burn more gas?
It should not make it that much worse for gas mileage but it is easier on the fuel pump and the ECU to give a proper air fuel mixture. On the GM truck Models I see the gas that I pour out on the filtered side come out Black, a lot. Fuel filters should be changed every 15 to 30K , the book says 15.000 but for sure at 30k.
Does having a fuel filter that is not being changed make the truck burn more gas?
lack of fuel going to carb or throttle body causes the computor to adjust for flow which woul d cause more fuel mileage loss replacin git would only make it better
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