Mpg ?
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Senior User
Joined: Jun 2006
Posts: 141
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From: La Porte, TX
Mpg ?
Just bought my 250, 7.3, 4x4, cc, auto. with 130,000 miles on it about 4 weeks ago. Havent had any trouble with it so far but when I picked it up the Mpg were at 16.9 and now after 4 weeks it is at 13.4. The dude I bought it from lived in the city like I do and he said that some of that Mpg was hwy. I thought It would at least stay some what the same by how much l baby it. The first week I had it i changed the oil, air filter, and the fuel filter. Any reason for this big of change or is there anything Im over looking?
Cargo Master
Joined: Mar 2006
Posts: 2,502
Likes: 2
From: Bend Oregon
I make the obvious assumption that you are determining mileage from the " lie-o-meter" . These things are very inacurate, you are much better off calculating by hand...IE miles travled/gallons used.
as for why your mileage may seam to be decreasing, is there a possability the previous owner removed some modificatons before you bought it? Such as a tuner? These trucks also learn driving style...if the previous owner didnt baby it and you do it may take a while for the truck to learn you and being that you live in the city you probibly dont get many miles under your belt so it may take a while. last but not least how much idle time do you rack up? He may have worked a different shift and been able to avoid traffic snarles that leave you idleing along at 5mph for extended periods which will really burn off some fuel compared to miles travled.
just some thoughts
as for why your mileage may seam to be decreasing, is there a possability the previous owner removed some modificatons before you bought it? Such as a tuner? These trucks also learn driving style...if the previous owner didnt baby it and you do it may take a while for the truck to learn you and being that you live in the city you probibly dont get many miles under your belt so it may take a while. last but not least how much idle time do you rack up? He may have worked a different shift and been able to avoid traffic snarles that leave you idleing along at 5mph for extended periods which will really burn off some fuel compared to miles travled.
just some thoughts
Posting Guru
Joined: Sep 2006
Posts: 1,081
Likes: 1
From: Montana
well that is what I get around town, but while road trippin I got 17 to 20. and that was with the Predator, or not. I took it off between fill ups to see the differenct. just depends on how your drive.
Junior User
Joined: Oct 2005
Posts: 95
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From: Vancouver, BC
I get about 14-16 towing.
And about 17-22 depending on how I drive and if it's city or hwy. Stock truck . on a few tanks of diesel I tried driving the whole time about 5-10 kph under the speed limit and mpg was around 23-25. But it was just to slow for me to drive like that.
And about 17-22 depending on how I drive and if it's city or hwy. Stock truck . on a few tanks of diesel I tried driving the whole time about 5-10 kph under the speed limit and mpg was around 23-25. But it was just to slow for me to drive like that.
Mountain Pass
Joined: Aug 2006
Posts: 203
Likes: 6
From: Port St Lucie, FL
Maybee some details on the trucks here would help. I am gettin 13-17 depending on how im driving. The best ive seen was 17.5 doing 70 constaly on the hwy for a whole tank. I have a 02' f-250 4x4 crew cab auto trans 6ft bed w/ 3.73 gears and bone stock everything.
Last edited by JGRNAUT_7.3L; Oct 6, 2006 at 03:38 PM.
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From: CT
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Senior User
Joined: Sep 2006
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From: In the Georgia Pines
i'm getting 14-15mpg on the factory overhead display doing a mix of city and highway driving.
02 F250 crew cab, short bed, 3.73 gears, bone stock with 96k on the clock.
02 F250 crew cab, short bed, 3.73 gears, bone stock with 96k on the clock.
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Post Fiend
Joined: Oct 2003
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From: MICHIGAN
Originally Posted by cdiddy
Just bought my 250, 7.3, 4x4, cc, auto. with 130,000 miles on it about 4 weeks ago. Havent had any trouble with it so far but when I picked it up the Mpg were at 16.9 and now after 4 weeks it is at 13.4. The dude I bought it from lived in the city like I do and he said that some of that Mpg was hwy. I thought It would at least stay some what the same by how much l baby it. The first week I had it i changed the oil, air filter, and the fuel filter. Any reason for this big of change or is there anything Im over looking?
PO driving style vs yours?
PO city driving is less than what you're driving now?
PO was running fuel additives, are you?
The fuel we are getting today (ULSD) vs b4 June 1st (LSD) can make about 1-2 MPG difference.
Thread Starter
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Senior User
Joined: Jun 2006
Posts: 141
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From: La Porte, TX
Well I guess Im running about avg. with the rest of yall. I guess I hoped for a little better than that this being my first PSD. I am running 16ou of diesel kleen every tank. Also I have reset the MPG overhead display and the truck is a short bed with the 3.73 with limited slip.