Ultra low sulfur mileage drop?? - Ford Powerstroke Diesel Forum

 
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post #1 of 9 Old 01-04-2009, 06:00 PM Thread Starter
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Ultra low sulfur mileage drop??

I have noticed a signifigant drop in my fuel mileage since the ultra low sulfur fuel came out. I used to get 20+ mpg on the highway and now im lucky if i can get 15. Anyone else experienced this? If so got any remedies to help out with this?? Thanks ahead of time guys!

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post #2 of 9 Old 01-04-2009, 06:02 PM
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i didnt have my truck before ulsd so heres ai wanna know also


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post #3 of 9 Old 01-04-2009, 06:04 PM
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Pretty much everyone noticed a mileage loss. I lost 2 mpg. Winter blend diesel is also hurting MPG's

Email: Dave@powerstroke.org
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post #4 of 9 Old 01-04-2009, 06:06 PM
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Quote:
Originally Posted by Dave View Post
Pretty much everyone noticed a mileage loss. I lost 2 mpg. Winter blend diesel is also hurting MPG's
x2 i use diesel kleen additive now

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post #5 of 9 Old 01-04-2009, 06:10 PM Thread Starter
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Oh yeah ive always dropped alittle with winter blend thats a givin but even in the summer dont seem to change. Have you had any increase with the diesel kleen ORANGE?

2001 F-350 Super Duty
S&B Cold Air Intake, MBRP 5" Exhaust 6" Tip
ATS E-Power Tuner Stacked With BANKS 6 Gun
Quad Pillar Mount, Pyro, Boost, Trans Temp, Fuel Pres
ITP Overboost Annihilator, ITP CCV Kit
Zoodad Mod, Foil Delete
Leveling Kit In The Front Add-A-Leaf In The Rear
35" Toyo Mud Terrains on 20" Atlas Wheels
Bradford Built Flatbed
Mama's 2000 PSD Excursion Limited


Coming Soon ATS Ported Compressor Housing. Banks Big Head Wastegate Acuator And Tranny Upgrades.
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post #6 of 9 Old 01-04-2009, 06:17 PM
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I gained about a half mpg back with diesel kleen. Stanadyne seems to work better IMO

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
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post #7 of 9 Old 01-04-2009, 06:34 PM
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Yeah, ULSD doesn't have the bang of the old LSD. Not that sulfur does anything good for your engine, but the process that removes the sulfur also removes some of the energy content at the same time. Also, another side effect is that while the sulfur is being removed the removal process also happens to remove some of the lubricity of the diesel. ULSD is supposed to have lubricant additives to make up for it, but I am not so sure. I would recommend a lubricant additive as often as possible. I need to do more of the same for myself too.

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post #8 of 9 Old 01-04-2009, 06:38 PM
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Quote:
Originally Posted by Dave View Post
I gained about a half mpg back with diesel kleen. Stanadyne seems to work better IMO
i dropped about 2 mpgs since winter but i think i got about 1 back...but i am using the winter formula so its has anti gel in it anyways

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post #9 of 9 Old 01-04-2009, 06:40 PM
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here is a good ongoing read for ya
Diesel Kleen... use it or loose it?

2004 Harley Davidson F-250 ( tow Pig )
1996 Huger Orange Camaro SS ( Drag Car )
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