Is this as good as it gets? - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 05-06-2010, 12:59 PM Thread Starter
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Is this as good as it gets?

Okay guys,

I'm the new guy with the stupid questions...I have searched all over this forum and a couple of others trying to find the answer to my question. I have found hundreds of threads about the same topic but none that answer my question specifically. So, hopefully someone here can help....

I just bought a 2010 F250 Lariat one week ago yesterday. I have put just over 200 miles on it and the little thing on the dash is telling me that I am averaging 10.3mpg! Holy Crap....that sucks Is this the best I can expect? Is the computer wrong? Will it get better as it breaks in? WTH is going on??
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post #2 of 9 Old 05-06-2010, 01:07 PM
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this isnt surprising.. dpf delete and some spartan tuning and you'd be much better off.
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post #3 of 9 Old 05-06-2010, 01:17 PM
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Originally Posted by Dietoremain View Post
this isnt surprising.. dpf delete and some spartan tuning and you'd be much better off.
X2....the regeneration eats up a lot of fuel. I wouldn't trust the lie-o-meter though. Hand calc is always best

Jason

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post #4 of 9 Old 05-06-2010, 02:02 PM
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Yes MPG suck with these trucks, only way to boost mpg and prolong the life of the motor is to tune and delete all the emissions crap off.

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post #5 of 9 Old 05-06-2010, 03:03 PM
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Agree with all the above comments - Lie-O-meter sucks - Don't pay any attention to it..

1 thing to do, is reset the average, no telling how long it sat on the dealer lots while idling. Don't trust the lie-o-meter, but a bunch of idling will drag the average down.

I drive a around 60 miles a day - city & interstate (which can become a parking lot) and mine is always in the 13.6 to 14.0 range - I have seen it get better and worse when doing the math.
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post #6 of 9 Old 05-06-2010, 03:08 PM Thread Starter
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I really appreciate the info guys...I'm pulling a trailer up north tomorrow, before I go I'll fill the tank, reset the meter and also hand calc the MPG and see what happens.

I'm not sure I'm ready yet for deleting a dpf (I don't even know what in the hell it is) or spending the $$$ for a programmer. But I'm sure these things will happen soon enough
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post #7 of 9 Old 05-06-2010, 04:39 PM
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I'm one of the lucky ones. I drive 40 miles each way to and from work. City, highway and back roads. I get 16.8 mpg. When I drive all highway I get 18-20 mpg, recently it was over 20 on the highway..I think it was a fluke. Mine regens every 400-450 miles. I baby it too! Hopefully yours gets better

2008 F250 SuperDuty FX4 Crew Cab Short bed Silver Metallic Dark Shadow Grey Job 1
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post #8 of 9 Old 05-06-2010, 04:43 PM
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We get 9Highway in our 6.4l.. So don't complain. lol

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post #9 of 9 Old 05-06-2010, 04:44 PM
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Once they get some more miles on them they seem to do a little better.

I remember talking to a guy who bought an 08 a few years back, I think it was at 15k he said the mileage jumped up 2 mpg.
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