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gas mileage

  1. Low gas mileage?

    Mustang EcoBoost Discussions
    Ever since I've had the eco, my gas mileage has always been around 14-15 miles per gallon. The only time it really goes higher than that is when I'm on the highway. I live in Woodbridge Virginia, and there's lots of traffic congestion so that may be a factor but I'm still not sure if that's a...
  2. Low Miles per gallon

    Mustang EcoBoost Performance
    Can't seem to get more than 16mpg according to the dash board computer, while I'm driving around my city. The only thing I've done performance wise is a green drop in filter. I'm also using 93 octane gas. Any thoughts?
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