When does winter fuel begin dispensing?
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Tuned
Joined: Jun 2010
Posts: 427
Likes: 1
From: New York
When does winter fuel begin dispensing?
Hey guys, I was just wondering when winter fuel begins running through our pumps? I live up here in new york and have seen a 2 mpg drop in the past few weeks. Almost immediatley. I was consistently getting 15.8 to 16, I can't remember what I was getting last winter but up to a couple of weeks ago it just dropped right off. I've replaced the icp due to oil in the issensor, that increased it about .2. I replaced my 6637 with a brand new bhaf air filter, checked my air pressure, rebuilt my ipr, brakes are lubed up and free, turbo boost is where it always is. The only thing I can think of is that the up pipes are leaking so bad that their causing my massive drop in mpgs, there is soot there, so they are leaking, but the thing goes like a bat out of hell. Or winter fuel is draining my mpgs?
Thread Starter
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Tuned
Joined: Jun 2010
Posts: 427
Likes: 1
From: New York
I also forgot to mention I cleaned the ebpv sensor, and tube, and replaced front and rear differential fluids with synthetic as well as changed the transmission fluid. I'm out of possibilities. Any ideas left?
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
Diesel jumped ten cents a gallon in one day about 2 weeks ago. I'd say we're using winter mix now.
For those who think it's too early, not everybody uses their full tank in one week... and we have snow in our long-term forecast (PNW). It's going to be one of those winters.
For those who think it's too early, not everybody uses their full tank in one week... and we have snow in our long-term forecast (PNW). It's going to be one of those winters.
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Tuned
Joined: Jun 2010
Posts: 427
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From: New York
I guess that explains it, diesel jumped from 3.89 here to 4.09 a double kick in the butt. I guess I should probably be thanking them though, the past two weeks we've had temperatures as low as 20 degrees here and I haven't had any issues.
Posting Guru
Joined: Mar 2011
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From: Florida
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Tuned
Joined: Jun 2010
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From: New York
Ahh I see. Well, I guess that settles it then, there's winter fuel pumping through my 7.3's veins. That explains my fuel mpg defecit,
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Logistics Pro
Joined: Jun 2005
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From: AZ
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Thread Starter
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Tuned
Joined: Jun 2010
Posts: 427
Likes: 1
From: New York
Ahh I see. Well, I guess that settles it then, there's winter fuel pumping through my 7.3's veins. That explains my fuel mpg defecit. Ugh..can't fix that sensor I guess. thank you for the useful information.
Logistics Pro
Joined: Jun 2005
Posts: 4,243
Likes: 16
From: AZ
I see no decrease in mileage (and I have records going back many years) due to winterized D2 (though I do see a reduction in mpg operating in very low temperatures)...the reduction of btu value in the winter blend is estimated at 1%...D2 is about 130,000 btu/gal, so that is a reduction to about 128,700 btu/gal. A loss of 2 mpg when you normally get 16 mpg is a 12+% decrease in mileage. I'd suggest looking for other causes, but I can't guess what it might be.
Logistics Pro
Joined: Jun 2005
Posts: 4,243
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From: AZ
Must be the uppies then...
Junior User
Joined: May 2004
Posts: 65
Likes: 0
From: Greenwood Wisconsin
Fuel is blended differently. It depends on the percent of Number 1 fuel blended in to the number 2 fuel. Different suppliers and different locals have different blends. You could easily see a 2 mpg loss.
Cargo Master
Joined: Mar 2006
Posts: 2,502
Likes: 2
From: Bend Oregon
I too have fuel records going back over 300K for my truck and I see a 2 to 3 MPG decrease every October. If I travel out of area and get a tank of "good" fuel that is less winterized I will get the mileage back I just have to be sure to add some antigel before I get over the mountains.