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Getting better MPG! Why?

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Old Mar 28, 2004 | 04:32 AM
  #1  
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Getting better MPG! Why?

I have 5500 miles on my truck and have gotten around 11.1-11.9 mpg no matter how or where I drive. This weekend I took the truck on a small trip of about 175 miles. When I filled it back up when I got home it got 15.7 mpg!!! I didn't drive any different than I normally do, so why the big increase in mpg? I filled up at the same place I always do, and nothing is different. I'm not complaining just curious? Any idea's?

Fitter
 
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Old Mar 28, 2004 | 05:58 AM
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From: hillcountry
mileage will improve as the motor breaks in...

it may get a bit better in the next 1000 miles then level off till it
starts to wear out
 
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Old Mar 28, 2004 | 06:38 AM
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I knew it would get a little better as it broke in but 4 mpg all at once? I thought it would go a little at a time. Thanks for the reply

Fitter
 
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Old Mar 28, 2004 | 06:53 AM
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Break in would have to be my guess too. Never heard of 4mpg during a break in all at once, but if that is it, I would have to agrree with no, "no complaining here."
 
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Old Mar 28, 2004 | 07:13 AM
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I have noticed that my motor has been getting better as it breaks in as well. However, with such a jump in mileage for 1 tank, I would tend to average it with the tanks before and after for more of a true mileage figure (I record the mileage for every fillup). It is very easy to have a small amount of filling error skew the figures for one tank. What has been the mileage since that fill up?

Bill
 
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Old Mar 28, 2004 | 08:48 AM
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wbarber, I haven't filled up again, it was just Friday this happend. I will let you know the next time I fill up.(Mon-Tues)lol.

Fitter
 
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Old Mar 28, 2004 | 01:18 PM
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From: hillcountry
countless things effect milage

not the least of which is a stiff tail wind

or passin a couple of cars goin up hill...

it's unlikely you'l average that high
but take it when you get it
 
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Old Mar 30, 2004 | 07:44 AM
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Wow - 15.7 with 4.10's and a 5.4. Don't look for answers, just keep driving. Could have been a change from winter fuel or by chance were you parked facing up a really steep hill turning to the left . Glad to here someone gets good mpg once in a while.
 
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Old Mar 30, 2004 | 08:31 AM
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Possably a stupid comment, but, highway milage??

I pick my F350 up in Iowa and drove it home to Illinois and got 12 MPG, and never hit that again.

Seems like the milage calc in the headliner takes a long average on miles and gallons.

 
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Old Mar 30, 2004 | 04:22 PM
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Just picked up my truck last week with 6 miles on it and averaged 12.3 on first tank. Will it get better or what should it get? How long to break in or get better gas mileage? F250, Fx4, S/C, 3.73 LS, 6-spd
 
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Old Mar 30, 2004 | 04:25 PM
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The best that I have been getting is 12.5 around town. I have 17,000 on my 03 f250, 4x2 5.4 3.73 LS Auto
 
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Old Mar 30, 2004 | 04:29 PM
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The computer averages out the total since the last time it was reset, to reset it and start fresh hold down both buttons while on the mpg screen. At first it may jump to 99 mpg but it will average out.

My friend gets 19-20 mpg on his 01 f250 superduty 2wd auto supercab. Becuase he has a chip in it.
 
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Old Mar 30, 2004 | 05:21 PM
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I filled it up again today and it averaged 13.7. I don't have the computer, so I do it the old way (miles div by gal). I was getting 11.2-11.8 no matter how or where I drove, so it's getting better. I think the 2wd's will get a little better milage than the 4x4's, so thats why the 19-20mpg. I have 5700 miles on the ol truck so maybe by 10,000 it will be even better ( I can dream can't I)lol

Fitter
 
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Old Mar 30, 2004 | 05:23 PM
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From: Reno, NV
Oh, i thought all sd's came with it I was assuming since yu said 5500 miles its brand new, how could it not?
 
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Old Mar 30, 2004 | 05:26 PM
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From: West Virginia
It depends on what options you get, I didn't want anything fancy, so mine doesn't have it.

Fitter
 
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