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Ford F-Series Real World MPG Numbers

134 messages,  Last post on Jun 07, 2009 at 5:57 PM

You are in the Ford F-Series Forum. Your Host is kcram

What is this discussion about? Ford F-350, Ford F-150, Ford F-250, Fuel System, Fuel Efficiency (MPG), Truck

If you're looking for a place to discuss real world mileage figures for your Ford F-Series pickup, this is the place!


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#96 of 134
Moding the Engine. by mschmal
Aug 20, 2007 (7:56 am)
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If you mod this engine with some part produced by some fly by night company that spend probably about 2 weeks engineering the part, you wil BE OUT OF WARRANTY if the part causes damage to the engine.
 
Fords Official Position on this engine is NOT TO MOD IT. You should have signed a form at the dealer when you took delivery outlining your understand of this and other items regarding this engine.
 
Mark.
#97 of 134
Re: Moding the Engine. [mschmal] by danuary
Aug 22, 2007 (12:09 pm)
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Replying to: mschmal (Aug 20, 2007 7:56 am)

Based on what I saw and signed, I don't think that's correct.
 
The form that I signed said that chipping or reprogramming the chip in place does NOT inherently void the warranty and that warranty services would be denied only in the case that whatever I was claiming service on failed -because- of the modification. Seems to be an entirely reasonable policy to me.
 
I've already done a substantial amount of research on the subject and feel as a (reasonably) intelligent guy that I can determine the difference between the folks putting significant engineering expertise into building programmers, and the folks that don't. I was merely asking what others use, if they use similar products, and what works for them.
#98 of 134
Fuel Gauge by rburke
Aug 28, 2007 (10:38 am)
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08 SD SB books states 30 gallon tank. Drove truck to empty could not put more than 25 gallons in tank. computer said 16 miles to empty the fuel gauge was pegged in the red. Anyone experiencing the same and if so what can be done.
#99 of 134
Empty? by mschmal
Aug 28, 2007 (3:16 pm)
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Do you mean Empty as you drove the truck utill it stalled?My experience is that indicated empty or 0 miles to empty leaves a 15% reserve.
 
Mark
#100 of 134
Re: Empty? [mschmal] by rburke
Aug 29, 2007 (9:10 am)
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Replying to: mschmal (Aug 28, 2007 3:16 pm)

No not stalled. I had an 05 sb 26 gallon tank it would alert 50 miles to empty just as this one does. But when you ran it to say 20 miles to empty you would put 24 gallons in the tank. This one at 16 miles to empty holds only 25 and that is cramming it in. However as you state that is 17% reserve but what good is the alert at 50 miles and then 125 miles of reserve. Of all the cars with this fuel computer this is the only one that was not fairly close to being out when you ran it down to 15 miles to empty. thnks
#101 of 134
06 F 250 5.4 v8 fuel milage by mattrock
Sep 03, 2007 (5:36 pm)
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I have an 06 f 250 crewcab fx4 with the 5.4 gas motor and im getting 10 mpg in town and 15 mpg on the highway. and thats driving like a grand ma. any help with increase??
#102 of 134
Re: Moding the Engine. [danuary] by pjw72
Sep 13, 2007 (8:28 am)
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Replying to: danuary (Aug 22, 2007 12:09 pm)

cost of chip $1200
cost of fuel to beat BMW from 0-100mph - $4
cost of new PSD because ford voided your warranty after you beat BMW - $19,000
cost of look on your face :-O - PRICELESS
 
Ford has put in flash electronic recording systems and even if you remove your chip the black box will record all engine conditions and Ford will know what have you done. These engines are pushing over 20psi - in some cases as high as 35psi through the turbos. They will void your warranty in a second.
 
Enjoy your truck as a stock vehicle. Also, these engines need 10-20K miles for break in. MPG will go to 16-18 based on driving habbits.
#103 of 134
fuel milage by dbweaver
Sep 26, 2007 (5:00 pm)
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I bought my 08 F250 4x4 regular cab,long bed,6.4 deisel,6speed manual on 8/22/07. I have put 2506.1 miles on it.I have averaged 13.1mpg so far. Best tank full 14.46mpg and worst 12.02mpg towing nothing. 1 highway trip of 1243 miles "normal driving" 70 to 85 mph. I am a little disappointed with the MPGs but it sure is a nice ride
#104 of 134
FUEL MILEAGE by fordz1
Sep 29, 2007 (6:37 pm)
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Just took delivery of my 08 F350 DRW Crew Cab LB. I am anxious to see what type of fuel mileage I will get after reading some of these posts. Only 372 miles on the odometer. I will update in a month or so.
#105 of 134
Fuel Mileage by ironsporty
Oct 23, 2007 (5:05 pm)
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My '93 F250 with 5.8L gas motor w/E4OD gets 10/16mpg city/hwy. No towing and mostly granny driving. Not impressive.

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