Originally Posted by Kaleb
Have a 98 f150 with a 4.2L v6 n I can't understand why I have really bad gas mileage!! I do have 30 inch tires in it but I didn't think it would hurt it that bad!! I can't go 8 miles down the road without using almost a quarter tank of gas! Any suggestions? Could really use some help.
Check for a fuel leak. Whens the last time you gave it a tune up?