Poor mileage - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 03-02-2014, 02:20 PM Thread Starter
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Poor mileage

I know.. I drive a 1 ton, I shouldn't expect mileage, and I don't. Buy I expect more than 10mpg, come to realize after a drive, my passenger rear brake drum is excessively warm compared to the other a side, in guessing I have something hanging up? Any ideas what it could be ?

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post #2 of 8 Old 03-02-2014, 03:45 PM
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My 1 ton gets 17mpg, and my rear brakes drag a little.

There is definitely something wrong. Do you use your parking brake? You may have a cable sticking. A bad rubber brake line will act like a check valve, so you may have one of those too.

1997 F-350 7.3 5 Speed 4x4, 320k Miles
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post #3 of 8 Old 03-02-2014, 04:22 PM
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Average runs 15-17, so you are low.
You could have a boost leak, a pre turbo exhaust leak, brakes, and other things. A brake alone shouldn't drop you that much. I think it's a combination of things. I'm down 1-2MPG right now, and I know that I need an alignment, so I'm sure that's part of it.
Fixing a sticking caliper on the rear gained me 1MPG.



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post #4 of 8 Old 03-03-2014, 03:40 AM Thread Starter
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Im predicting I need an alignment and a wheel bearing up front, how do you test for exhaust leaks or mostly, boost leaks

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post #5 of 8 Old 03-03-2014, 06:48 AM
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It's winter, winter fuel drops mileage as well, look for soot around the up pipes, manifolds, pre turbo, inspect the boots from the turbo to the heads as well, unstick your brakes too

-Kris-
2011 f150 ecoboost 4x4 323/452 on php dyno 11/16/13
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked


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The stock downpipe in an OBS is flat because I'm a ginger.
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Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
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Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #6 of 8 Old 03-03-2014, 07:43 AM Thread Starter
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I have heard you can't get mileage on winter blend.. Not to mention the 20+ minutes of warm up time before going anywhere

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post #7 of 8 Old 03-03-2014, 10:17 AM
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10 is still low however, but on the winter fuel you still can't expect 20, maybe 15-17 tho

-Kris-
2011 f150 ecoboost 4x4 323/452 on php dyno 11/16/13
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked


Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #8 of 8 Old 03-03-2014, 11:47 AM Thread Starter
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Agreed, I wasn't expecting anything stupendous especially in the winter.. DVD I knew ten had to be low, I don't drive very far, so I never thought much of it, but recently went on an hour drive one way and she did not do any better, so back to the parts store I go!

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