Hi all. I’m curious what king of fuel mileage you are getting with your Expeditions that are equipped with the heavy duty tow package 3.73 rear end ratio. My 2 month old 2020 Platinum with just under 2k miles is only getting 14.6 MPG with mostly highway driving. I’ve been driving it softly without aggressive starts or high speeds to see if it gets better. Last month the check engine light game on and dealer replaced the O2 sensor. I figured that would have corrected the issue immediately since the sensor controls air/fuel ratio but did not see any improvement.
What kind of mileage are you guys getting with the 3.73?
What kind of mileage are you guys getting with the 3.73?