Hey guys, i have a 99 xlt 4.6 2wd
in the past 3 months, ive replaced the fuel filter, had a full fuel injection cleaner service, full tune up with all new spark plugs and wires, switched to ethanol free gas, and the Gotts Mod, but i still cant get above 14mpg... i know that since i cruise to and from work about 30 miles a day at 75mph that cuts it down but i wouldnt think by that much.. any help?
its never gotten good gas mileage since i got it in february
Then you don't KNOW that something has happened to cause the mileage to be bad. What you are getting is not out of what may be normal. My son in law has a 98 4wd with a 4.6 and the best he's EVER seen is 15 on the highway at 65. He gets 12 commuting.
i know, but its not by very much
i can explain how i hope i figured it out, but if i calculated it right, im actually getting .58846mpg more than it shows due to tire size dif if that was the only factor, but there's also rolling resistance, tire tread, and weight.. all things aside that means i still havent gotten any better than14.6mpg
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