2011 f150 ecoboost
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Senior User
Joined: Feb 2009
Posts: 157
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From: Duanesburg, NY
2011 f150 ecoboost
Good evening everyone, I'm gonna start off by saying I'm a diehard diesel guy, gasoline engines aren't my forte. I bought my truck a year ago with 15k on it. Overall I'm happy with it.but my mpgs aren't as good as I would have thought. I only Avg 14-15 regardless of highway (I drive 75). No work done to truck. The only thing I have done (dunno if it's good or bad) I took out the silencer ring or whatever you call them in the intake (pre turbo) is this normal mileage or should I get it checked out? If you need any more info please ask.
Thanks
Thanks
Super Moderator
Joined: Jan 2008
Posts: 40,024
Likes: 1,519
From: Maine, Virginia
That's better. You have the heaviest F-150 configuration with the 3.73 axles. That's where your mileage is going.
Super Moderator
Joined: Jan 2008
Posts: 40,024
Likes: 1,519
From: Maine, Virginia
A programmer may help but choose wisely. I've read on another ecoboost forum that most of the engine issues are from guys who have tuned their trucks.
Cargo Master
Joined: Jul 2009
Posts: 2,710
Likes: 77
From: Central Florida
Your mileage seems a little lower than my 2012 EB. Around 75 I would think you would be in the 15 to 16 range. On my last long trip (about 1,200 miles) I was almost at 17 MPGs, however I spent most of my time driving under 75. I found the truck is sensitive to speed and if I backed off a couple mph, I would see my mileage go up. My goal was to make the trip with only 1 stop for gas.
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Tuned
Joined: Feb 2011
Posts: 265
Likes: 31
From: Fort Worth, TX
Think I have close to the same truck, Crew/LB/3.73. Just under 60K miles.
I've done really well (18-20) with gas mileage in the 55-60mph range on the highway, if you're patient enough to run that way.
Once I start pushing it over 70, it seems it really drops off.
My current avg MPG (on what I think is still winter fuel) is just shy of 16 with most of it Highway miles, 70-75 when traffic permits.
I've done really well (18-20) with gas mileage in the 55-60mph range on the highway, if you're patient enough to run that way.
Once I start pushing it over 70, it seems it really drops off.
My current avg MPG (on what I think is still winter fuel) is just shy of 16 with most of it Highway miles, 70-75 when traffic permits.
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