2007+ Expedition & Navigator2007, 2008, 2009 and 2010 Ford Expedition and Lincoln Navigator
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Just curious. 50/50 city/hwy, the stock 2009 expedition 4wd is getting 15 mpg solid. No give or take. 90,000 miles on the odometer, just curious is this approx. what you guys are getting? Time for plugs? Current on air, oil and trans fluid changes, I seem to remember getting 17 when we first got it. Any advice?
Usually it points to a partially clogged exhaust, possibly a pipe rusted off in the muffler or Catz, causing some back pressure hurting mileage immediately. A tune up and new exhaust probably will help a lot. You may be with the winter blend already? Don't know if your state has mandatory ethanol labels on the pumps or not and the way they do it in the fall. Tires could use a little air in em too?
Women might not find ya handsome but they will find ya in your F150.
Ford Built_Ford Tough
winter blend makes sense, the milage started dropping around the same time my diesel did. i know we share the same supply lines as much colder areas than coastal NC and it always seemed rediculous that we would have the winter blend stuff here. Oh well, I had no idea gaasoline did it as well. On the other hand....I have been wanting to redo the exhaust anyway.
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