Why does my 150 only get 13 mpg when it used to get 17

Asked by Kenny Nov 19, 2014 at 09:35 PM about the 2005 Ford F-150 XLT SuperCab 4WD

Question type: Maintenance & Repair

2005 f150 4x4 5.4 120,000 with good driving habits. Could it have something to do with
the trans?

2 Answers

74,180

Depending on where you live refineries have to switch to a winter blend as a certain portion of the year. Maybe they haven't yet and the cold blast may affect your mileage. If everything is within specs try running a tank full of non-ethanol and see if it improves during cold weather.

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