2008 Super duty
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2008 Super duty - 8/21/2007 9:54:47 AM
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Supernitro
Posts: 3
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Joined: 8/21/2007
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Anyone having poor milage in the new 6.4 engine dual turbo
I have a new 2008 F- 350......is there a break in snafu....will the chip violate the warranty......anyone have dino results
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RE: 2008 Super duty - 8/21/2007 6:50:47 PM
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milkshake
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Joined: 8/21/2007
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I am getting only 13.5 mpg on mostly highway travel with a 3.73 rearend not towing anything. My Dodge gets 20 to 22 mpg and my old Ford 7.3 non-turbo used to get 18 mpg (may it rest in peace). This engine appears to be a GIANT step backwards. Also, what is up with the regeneration cycle? Mine does it at least once a week and at the wrong time in most instances (big loss of power and a lot of white smoke). The ignition set already went out with 5500 miles on the truck meaning it had to be dragged onto a flat bed to be towed to the dealer. We have another 08 at work that is getting only around 11 mpg although it has a heavy service body on it. The cruise control is also weird. You must be within 10 miles per hour of the set point to hit resume and when you hit resume, the truck accelerates so hard you are pushed back in your seat. Dealer says this is normal. I would hate to do it on a slick road as an accident is guaranteed. Ford did not have a "better idea" with this one. I hope mine is not the norm but I am afraid it is.
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RE: 2008 Super duty - 8/22/2007 6:50:41 AM
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Supernitro
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So far so good, but mpg is poor. Towing power is outstanding. Dealership doesn't have much to say about this vehicle. They want me to drive it 2000 miles and log the mpg. I guess they dont believe me. Towing I'm getting about 8 mpg. That I would think is good? Around town 10-13 mpg. I have to get it on a highway without the trailer so I can see what happens there. I also have 3.73 rearend.
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RE: 2008 Super duty - 8/28/2007 7:53:31 AM
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Daniel
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Joined: 8/16/2007
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I have had mine about a month and i am getting the same as the rest of you. we did get 18 on the HWY with 373 rearend
_____________________________
Daniel
2008 FX4 350
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RE: 2008 Super duty - 9/7/2007 1:00:03 PM
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milkshake
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Joined: 8/21/2007
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Update September 7
Truck now has 7800 miles - best mileage to date is 14.9 (current). This was obtained by never exceeding 2000 rpm's (you can imagine how slow I am from a stop). I also had the ignition fail at 5000 miles. Seat belt retractors are still acting up.
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RE: 2008 Super duty - 12/28/2007 8:08:23 AM
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sammyb
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Joined: 12/28/2007
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Hey guys just wondering if things are any better now?
Ive had a 95,99,02,04 and now this fuel sucking 6.4.
I like everything about the truck interior, stereo,power
comfort and looks. But at the point i am at 9 mpg just
aint gonna cut it. Ive used their so called C-tane booster
and i got 10 mpg.Seems to me Ford might have a big problem
on their hands,I am ready to go buy a Dodge. Problem with that is I will never be able face my buddies again.I have 20000 miles on it.Is it going to get better? Please tell me it is.
Thanks for any info sam.
< Message edited by sammyb -- 12/28/2007 8:23:07 AM >
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RE: 2008 Super duty - 12/28/2007 4:23:35 PM
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outboardman
Posts: 8
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Joined: 12/5/2007
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I was going to trade in my old '96 7.3L power stroke this spring, but I'll think I'll hold on to it if the milage is as poor as you guys are telling me. Heck I'm getting 17MPG pulling my boat and 20 empty.
I would like the third door, but why go backwards in fuel milage.
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at all, I have a contracting business and I am going for the Lemon Law on this vehicle, I can't beleive Ford would design something that gets worse Fuel Milage than the previous model? I would like to get a list going of everyone having problems.
