fuel
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Junior User
Joined: Apr 2012
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fuel
cannot figure this truck out ,it has been getting 14 miles to gallon ever since i have had it ,that is normal driving , now i put fuel in her today an it started getting 18.5 mpg on the way home drove the same old route an same speed , i think something is wrong , cant figure it out maybe staying stuck in regen i would i know.
Freshman User
Joined: Mar 2013
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Wish I could say the same!! I just got through driving 1240 miles pulling my 5er, for the most part of the trip I averaged 5.4MPG the best I got was 8.7 I for sure think something is wrong with my Ford. My 5er weighs 11,400.
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Joined: Mar 2013
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would like to add something else to my other post. I have always owned Ford truck's, have had fairly decent fuel millage with them, up until I bought my 2011 F-250 King Ranch 3.55 gears, with 25,000 miles. I love the truck but the fuel millage SUCKS. I pull a 2009 Cameo 5th Wheel, dry weight is 11,400. I drive 65 MPH when towing. Got to be something I need to do to improve my 5.4 and at best loaded 8.7 and highway use empty 11.8. Any suggestions.
Senior User
Joined: Jul 2012
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would like to add something else to my other post. I have always owned Ford truck's, have had fairly decent fuel millage with them, up until I bought my 2011 F-250 King Ranch 3.55 gears, with 25,000 miles. I love the truck but the fuel millage SUCKS. I pull a 2009 Cameo 5th Wheel, dry weight is 11,400. I drive 65 MPH when towing. Got to be something I need to do to improve my 5.4 and at best loaded 8.7 and highway use empty 11.8. Any suggestions.
Mountain Pass
Joined: Dec 2003
Posts: 197
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From: Onalaska WI
With fuel mileage there are too many variables. Here are some things to take in consideration. Summer vs. winter (3-4 mile difference) even cool mornings to warm afternoon. Headwind vs. tail wind. Best fuel mileage I have gotten so far is 18.5 hwy in the winter.
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Junior User
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i have not used any additives, an just use regluar old diesel, how would i no if staying stuck in regen
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Freshman User
Joined: Mar 2013
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I have not added any fuel additives to this point. As far as fuel goes I have tried Chevron and it was the worst 5.4 MPG, Pilot, Flying J, Loves any 3 of these averaged at best 8.7 and for the most part of the 1200 mile trip so far has been 7.6. will not return home back to Texas until November.
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Joined: Apr 2010
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From: Texas
As Rob says, there are quite a few variables. On a 500 mile trip (running 65 mph) from OK to TX , I got only 14.8 mpg but that was into a steady 20 mph head wind. Was blowin' like stink in the gusts!!. Only load I had on the truck was my 800 Lb Harley in the bed.
On the other hand, I got right at 20.5 mpg back and forth to the Bay (100 mile round trip) when there was no breeze, cool morning, and very flat terrain. I was running 70 mph then.
I hooked up the TT (Airstream at maybe 8,000 lb) and got 13.8 on a 350 mile round trip at 65 mph driving I10 west and then east.... All that is pretty flat as well.
All I can say is my '11 F350 6.7L beats my 7.3L EX on mpg all the time. (And the 7.3 is running tunes, exhaust, etc.)
On the other hand, I got right at 20.5 mpg back and forth to the Bay (100 mile round trip) when there was no breeze, cool morning, and very flat terrain. I was running 70 mph then.
I hooked up the TT (Airstream at maybe 8,000 lb) and got 13.8 on a 350 mile round trip at 65 mph driving I10 west and then east.... All that is pretty flat as well.
All I can say is my '11 F350 6.7L beats my 7.3L EX on mpg all the time. (And the 7.3 is running tunes, exhaust, etc.)
Senior User
Joined: Jan 2013
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From: Spring Hill, SC
would like to add something else to my other post. I have always owned Ford truck's, have had fairly decent fuel millage with them, up until I bought my 2011 F-250 King Ranch 3.55 gears, with 25,000 miles. I love the truck but the fuel millage SUCKS. I pull a 2009 Cameo 5th Wheel, dry weight is 11,400. I drive 65 MPH when towing. Got to be something I need to do to improve my 5.4 and at best loaded 8.7 and highway use empty 11.8. Any suggestions.
Senior User
Joined: Aug 2012
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From: Wisconsin
I finally pulled our 5verlast weekend for the first time with our 2012 F-350 3:73 drw and I was surprised to get 13.6. The camper is roughly 12000lbs. But that is what the dash reads. When I am empty I only get 14.5. I would assume my milage would drop a lot more with the camper hooked up. We are taking a long trip this summer and I will be able to do some hand calculations then.
Posting Guru
Joined: Nov 2010
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From: WY
I finally pulled our 5verlast weekend for the first time with our 2012 F-350 3:73 drw and I was surprised to get 13.6. The camper is roughly 12000lbs. But that is what the dash reads. When I am empty I only get 14.5. I would assume my milage would drop a lot more with the camper hooked up. We are taking a long trip this summer and I will be able to do some hand calculations then.
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Joined: Jan 2006
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From: North Central Washington
On a recent 1800 mile trip with a cab over camper I only got 11 MPG. I have never really been able to do a good job of checking it empty because of relatively short trips and up and down the hill to my house. The dash meter will go as high as 16.5 for a while but go down after running around in town and going up and down my hill.