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gas milieage


Old 08-10-2018, 03:05 PM
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gas milieage

I just picked up a 2007 F150 XLT Supercab with the 5.4L. I've been monitoring the gas mileage for 3 tanks of gas now and am averaging 10 mpg. Does this sound accurate, is there anything I can do to increase this?
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Old 08-10-2018, 03:24 PM
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Is it lifted? Oversized tires? These use a lot of gas, plus if it has taller tires and odometer has not been recalibrated, your calculations are inaccurate. Need more info on the truck.

My 2005 got about 16 to 17 on the highway and 11 or 12 around town. How you drive makes a big difference as well.
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Old 08-10-2018, 03:27 PM
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That sounds low for that truck, assuming it's STOCK. Is it lifted and/or does it have oversize/aggressive tires? How many miles are on it, and do you have any maintenance records? Is it 2wd or 4wd? Have you checked the speedometer/odometer accuracy against a GPS and highway mile markers?
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Old 08-13-2018, 08:05 PM
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In stop & go traffic, which takes me almost an hour to get 7 miles across town, I get about 12 MPG. But you have to be able to imagine gridlocked traffic which does not move. So all that you're doing is sitting there, idling, and wasting fuel.
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