04 F250 6.0 seeing very poor mpg - Ford Powerstroke Diesel Forum

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post #1 of 16 Old 01-25-2013, 03:44 AM Thread Starter
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04 F250 6.0 seeing very poor mpg

Hello everyone let me first off say Im newly registered with this site. But I am very familiar with it as I've been browsing on here for awhile. The search button helped me out tons but its unable to find my problem in here.

So whats happening is on my truck is seeing 11.2 avg mpg calculated by hand. Its a 6.0 completely stock and driven like a old man. No mods have been done to this thing and it has just over 100k. I have replaced the fuel filter with oem replacement, changed the oil, and it seems the air box cleaner is in decent shape still. On average i drive 20 miles to and from the next job site on a day out basis mainly highway. My wheels are stock 16's no lift. The truck runs like its perfect i just know something else has to be going on to make this happen.

Please advise
Scott
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post #2 of 16 Old 01-25-2013, 04:42 AM
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Re: 04 F250 6.0 seeing very poor mpg

Replace the air filter. Mine looked great but I went from 12.2 to 15.6 only swapping the filter. I used the airraid filter on the stock intake.

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2004 CCSB 4x4, blue spring, SCT , 4" exhaust, Gearhead tunes, egr delete, ELC-1, Coolant filter, ARP Studs, CCV Mod, 6" lift, 35" Toyo A/T II.


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post #3 of 16 Old 01-25-2013, 05:16 AM Thread Starter
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Thanks a lot ill try this to start, would auto zone or Napa carry this filter as i only recall seeing K&N there.
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post #4 of 16 Old 01-25-2013, 05:36 AM
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I bought mine from O'Reily autoparts. They are also sold by XDP.

2004 CCSB 4x4, blue spring, SCT , 4" exhaust, Gearhead tunes, egr delete, ELC-1, Coolant filter, ARP Studs, CCV Mod, 6" lift, 35" Toyo A/T II.


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post #5 of 16 Old 01-25-2013, 05:38 AM
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Your best served running the OEM Donaldson

it can hold close to 5lbs of dirt before pulling in the filter minder and it filters better than any other

diesel filters online. com or sunrise ford on here is decent $$

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post #6 of 16 Old 01-25-2013, 05:50 AM Thread Starter
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So upon researching this i noticed alot of members have done the tymar intake, would that be a preferred alt route?
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post #7 of 16 Old 01-25-2013, 05:53 AM
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not too

The preferred route is OEM unless you are running high HP

there are plenty of filter issues that will let dirt past many of the aftermarket units and K&N has proven to be the worst on these trucks

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post #8 of 16 Old 01-25-2013, 06:26 AM
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How is the health of your FICM?

Any brake calipers sticking?
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post #9 of 16 Old 01-25-2013, 10:16 AM
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Quote:
Originally Posted by amdriven2liv View Post
How is the health of your FICM?

Any brake calipers sticking?
Agreed with this Super duty's are notorious for brake calipers hanging up

Tom
2003 CCSB 4X4 6.0 Born on 5/03 Tuned by Vivian, 4" Turbo Back Exhaust, Edge CTS w/EGT, Coolant filter. ELC. fuel pressure gauge,

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post #10 of 16 Old 01-25-2013, 10:44 AM
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I went from 12 to 16.5 mpg after changing rear calipers and flex hoses.

2013 F-250 lariat scsb FX4.
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