How many mpg will you save by changing your fuel filter?

Just changed my fuel filter on 1994 crown victoria 4.6l V8 I think it was the first time it has been changed it has 120.000 miles on it the old filter was very dirty thick black stuff in it.|||HI


You well see NO Mileage improvement with a fuel filter change.. but it well save the fuel pump from working so hard and you won%26#039;t get a lean condition that can burn a hole in a piston. Now an air filter change can give a little better MPG if the one on it is dirty cause the motor well breath better.Thur and clean filter.


good luck


tim|||prob like 3%. you%26#039;ll probably be saving your fuel pump too.|||It should give you about 5-10% improvement.|||OMG, people are crazy. You%26#039;ll see no improvement. None. But the car may run better if the filter is clogged. Clogged filters cause drivability and starting problems, not mileage problems. Changing an old O2 sensor can often increase mileage. For a 1994 Vic though, don%26#039;t expect too much if anything.