bad gas mileage

pcs

Senior Member
I have a 97 F-150 2wd 4.2L v6. I can only get 185-200 miles on a tank of gas. I don't understand why. There is no leaks. Changed the spark plugs, air filter and a few other little things and no change.
 

65hoss

Junior Member
It may be using more fuel because of the 6 cyl. It has to work harder to do the same job. I have the 4.6 v8 and it gets about 225 to 235 pulling the equip.
 

65hoss

Junior Member
Could be the computer is screwed up. Not adjusting the amount of fuel used. I've had the computer on mine reprogrammed by dealership.
 

SDF250

Junior Member
65hoss

I have heard that any new programs from ford are geared for LOWER EMISSIONS and could lower mpg
 

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