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  #1  
Old 12-24-2007, 10:03 AM
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Angry My new 08 ?

New here but have been reading 4 a while. I've had my 08 since march and have almost 20k on it. The best milage i've seen yet is 11-12 mpgI've had it flashed 2 times already to update system. Trucks B-Day is 1/07 so it's one of the early ones. Here other people say they get 15-16 mpg think it's B.S. I can get that 2 if i do 55 and go down hill but i eventually i have 2 come back up. Had a 7.3 (great engine) All my buddies have deisels and they all say (chip this exhaust that) i put an AFE intake on it and that threw the engine light code on 3 diff. times. I'm good friends with head deisel mech. 4 ford and he says dont mess with it yet to soon.I'm even adding cetane booster. Any ideas before i trade it in and get screwed.
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Old 12-24-2007, 10:12 AM
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welcome to the .org and heres a bump for ya
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Old 12-24-2007, 11:38 AM
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welcome to the org...im sure some 08 guys will chime in......bumpin it up for you
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Old 12-24-2007, 02:47 PM
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I am not happy with mine either. I can get pretty good empty milage if I can go 75 or less, but if the wind is blowing, or I am pushing it I can drop from 17 to 13 pretty easy. Mine is so gutless it is not even funny!! I pull BIG trailers and my '94 Factory Turbo will pull with it and get's 10mpg where my 6.4 gets 5-7 and it has 290,000 miles!!! I am going to try and get Ford to buy mine back, I hate the way it pulls!! I kick myself every day for not keeping my 99.5 7.3, it pulled great and got excellent pulling milage. My 6.4 has 20,000 miles and was born 3-07, should have waited I guess.
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Old 12-24-2007, 02:53 PM
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the 6.4's dont do well around town driving. Doing a fuel economy test with the IDS ive seen a pretty consistant 8-10 MPG around town (45mph and lower type stop and go driving) but hiway milage seems to sit at about 18-22 MPG over a 10 mile average..... A lot of it is driving habbits.....AND from what i can tell testing it at work, cruise controll helps hiway milage about 2-3 MPG..... Speeds above 70MPH seem to really reduce economy as well......
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Old 12-25-2007, 08:04 AM
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Stroker-08!!
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  #7  
Old 12-25-2007, 08:55 AM
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I would give it a little more time..... I'm sure there are about to be MANY more options on the market for these trucks to help with these problems.
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Old 12-25-2007, 02:03 PM
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My 99 7.3 at 60,000 miles got better mileage/power than new (new best was 17 on the highway, at 60,000 could get 20 mpg)(I drove it like I stole it-pulled trailers from 4k to 8k consistently). I bought this 07 used at 31,000 miles, previous owner sold it because of low mpg's.My view was it possibly was not broke in, he purchased a dmax and has worse mpgs with it. Is it possible the 6.4 is not broke in?
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Old 12-26-2007, 07:02 AM
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Welcome to the ORG.!
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  #10  
Old 12-27-2007, 05:53 PM
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WELCOME!!!

I hope everything improves for you soon!
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