Fuel mileage question
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Elder User
Joined: Mar 2002
Posts: 549
Likes: 0
From: Huntsville, Alabama
Fuel mileage question
So I decided to buy a 2012 truck with the 6.7. What a beast while towing.
What the heck should I really expect for fuel economy? Ther are times when I am getting ~20 mpg at 60mph then it will start dropping rapidly down to 11.5. This concerns me.
What is causing this?
What are you getting?
What the heck should I really expect for fuel economy? Ther are times when I am getting ~20 mpg at 60mph then it will start dropping rapidly down to 11.5. This concerns me.
What is causing this?
What are you getting?
Lead Driver
Joined: Nov 2011
Posts: 9,544
Likes: 43
20 mins would be the longest, I probabaly get a regen every couple hunderd k, depending on your driving, city, highway, etc. The regen is done by the truck dumping extra fuel to burn the soot from the dpf, causing the drop in mpg.
Lead Driver
Joined: Nov 2011
Posts: 9,544
Likes: 43
Do you do alot of city driving? That will probably cause more regens.
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Elder User
Joined: Mar 2002
Posts: 549
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From: Huntsville, Alabama
Nope. Hardly any. Almost all HWY or interstate. I kept hearing all these stories of great fuel economy. This is averaging near what my V10 was getting. Bums me out.
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Sick 'n Tired
Joined: May 2006
Posts: 2,969
Likes: 47
From: League City, TX
It will get better. My rig did a lot of regens when I first got it. Not sure why, but they're getting fewer and farther between now. I seem to remember reading in another thread where a member, with an Edge Insight, noticed the regen lasted 6 or 7 miles.
Thread Starter
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Elder User
Joined: Mar 2002
Posts: 549
Likes: 0
From: Huntsville, Alabama
Well I haven't driven enough to figure it all out yet. My first trip was towing and I got ~ 13.5 average. It was hand calculated and within 0.5 of the displayed average. I have only burned one tank since then and averaged ~15 empty. The truck has 2300 miles on it. I have only put ~ 900 miles on it total since I bought it.
