Gas mileage problem
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Senior User
Joined: Feb 2010
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From: Recliner
Gas mileage problem
I have a 2010 Harley edition,and since I bought it new in Feb my gas mileage has been terrible.I would also like to add I have babied this truck I even try to roll off the throttle going up hills to keep from downshifting and eating more gas.The best I have gotten is 12.4 on highway,and 12.1 when pulling a small utility trailer on the highway.I have an appointment on monday to check it,but I just don't get it.I see alot of people on here getting great gas mileage(to me anyway) 17-20 on the highway,and I don't understand what is going on with my truck.Does anyone have any ideas what could be going on?
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Senior User
Joined: Feb 2010
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From: Recliner
About 800 miles.I have an appointment for monday,but I just thought I would ask on here,because 12mpg on the highway ain't cutting it.
New User
Joined: Oct 2006
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I have an 09 platinum and the best I have got was 14 mpg (canadian). i am not impressed as I have 6 friends with the same truck and they are getting 21-23 mpg. Something is wrong and ford doesnt seem to want to do anything about it. I have 18,000 km's on it and it hasnt got any better or any worse since new. I am getting frustrated!!
5th Wheeling
Joined: May 2010
Posts: 48
Likes: 17
From: West Tennesse
Just got a 2010 XLT 4x4 with the 5.4 and 3.55 rear end. First tank I filled up at the 500 mile mark and got 17.2. Up to 800 miles now and the mileage estimator is showing 19.8 mpg. Looks pretty close to that according to what the fuel gauge is showing. Mostly just driving around at 60 mph, nothing hard....
Bleed Ford Blue
Joined: Apr 2009
Posts: 13,578
Likes: 157
From: Anchorage Alaska
i'd wait till it had more miles on it to get a sure idea of what its gonna get. 2-5k miles might give you a better idea.
i know our '04 crew 5.4 4x4 3:73 all stock w/43k gets 12.5-13.5 in town and a good 17.5-18.5 highway and its not babied. hand calculated btw.
give it alittle time.
i know our '04 crew 5.4 4x4 3:73 all stock w/43k gets 12.5-13.5 in town and a good 17.5-18.5 highway and its not babied. hand calculated btw.
give it alittle time.
Cargo Master
Joined: Sep 2005
Posts: 2,952
Likes: 873
From: Montana
The motor and rest of the drive train isn't nearly broken in yet at 800 miles... I would try hand calculating mileage (the dash display is not very accurate) and put some miles on it. As long as it is running ok, there is not much you can do. check tire pressure (thought the TPMS should do that already), check fluids, and check the filter(s) like I said before.. All the moving parts need a little time to seat and wear in... It'll loosen up a bit and you should start seeing better MPGs...
Just re-read your initial posting... Read the owner's manual- You should not be towing anything yet, as you have under 1000 miles... States that specifically.
Just re-read your initial posting... Read the owner's manual- You should not be towing anything yet, as you have under 1000 miles... States that specifically.
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Elder User
Joined: Jan 2009
Posts: 587
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From: Cecil County, Maryland
My truck was in the 11 to 13 MPG range for the first 5K miles then has gotten better as time goes on. Now at 34K, I get 17 MPGs unloaded and 13 MPGs loaded or towing. Chris
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Senior User
Joined: Feb 2010
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From: Recliner
The motor and rest of the drive train isn't nearly broken in yet at 800 miles... I would try hand calculating mileage (the dash display is not very accurate) and put some miles on it. As long as it is running ok, there is not much you can do. check tire pressure (thought the TPMS should do that already), check fluids, and check the filter(s) like I said before.. All the moving parts need a little time to seat and wear in... It'll loosen up a bit and you should start seeing better MPGs...
Just re-read your initial posting... Read the owner's manual- You should not be towing anything yet, as you have under 1000 miles... States that specifically.
Just re-read your initial posting... Read the owner's manual- You should not be towing anything yet, as you have under 1000 miles... States that specifically.
I only have towed a 4x6 trailer twice for about 40 miles.I never understood the "no towing for 1000 miles" thing.What if you bought a truck to be a work truck on the farm,you need to use it immediately.Lets say I buy F250 for my work do I drive to Florida and back on the weekend,just so I can do my job on monday?Not disagreeing with you,I just don't understand the Ford specifications for towing with a new truck.
5th Wheeling
Joined: May 2010
Posts: 48
Likes: 17
From: West Tennesse
I only have towed a 4x6 trailer twice for about 40 miles.I never understood the "no towing for 1000 miles" thing.What if you bought a truck to be a work truck on the farm,you need to use it immediately.Lets say I buy F250 for my work do I drive to Florida and back on the weekend,just so I can do my job on monday?Not disagreeing with you,I just don't understand the Ford specifications for towing with a new truck.
Cargo Master
Joined: Sep 2005
Posts: 2,952
Likes: 873
From: Montana
It really has less to do with motor break in and more to do with breaking in the ring and pinion in the rear end these days... They need time to wear in or else you can have serious issues, or noisy operation at the least.
Posting Guru
Joined: Mar 2004
Posts: 1,195
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From: Sunapee NH
Ford doesn't recommend monitoring the mpg until the truck has over 10K on the clock. Check your owners manual on that one, they may have changed that a little since 2007.
I'm going to guess your Harley edition is all wheel drive. If so, that's likely the biggest factor for your lower mpg's. That and those 22's Ford puts on, don't make for a good mpg combination.
See what your dealer has to offer. They might find something or they may just give the old. It's a truck what do you expect BS. After the visit to the dealer, you could always disconnect the battery to purge the driving pattern that's been learned so far. That could help a little, but don't expect a lot.
Good luck
I'm going to guess your Harley edition is all wheel drive. If so, that's likely the biggest factor for your lower mpg's. That and those 22's Ford puts on, don't make for a good mpg combination.
See what your dealer has to offer. They might find something or they may just give the old. It's a truck what do you expect BS. After the visit to the dealer, you could always disconnect the battery to purge the driving pattern that's been learned so far. That could help a little, but don't expect a lot.
Good luck
Laughing Gas
Joined: Nov 2005
Posts: 983
Likes: 3
From: Detroit 'burbs
Also, what are you going by? I reset my MPG indicator on the truck and found its reading pretty accurate.
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Joined: Feb 2010
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From: Recliner
Well,not really 400 or so of those miles was on one trip,and 120 on another highway trip.But yes for the other 100-150 it has been shorter trips,but still on the highway I'am getting 12.1-12.4mpg.