Another Mileage Thread
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Mountain Pass
Joined: Oct 2012
Posts: 206
Likes: 7
From: Newcastle, CA
Another Mileage Thread
I have been doing nothing but pulling lately with my truck. My dump trailer, loaded, weighs in at 11k lbs, my travel trailer weighs in at 10k lbs loaded, and my pops-in-law boat weighing in at 2500 with trailer. My truck is getting on up there, 255k miles last time I looked. I'm still running the original DPF, EGR and injectors. I'm just lucky. The truck is bone stock, even the original 2011 turbo set up.
Lately my mileage has been fairly bad when towing. I never use the truck anymore unloaded. California diesel prices are dumb. It sits until I need it to pull then gets parked again after. For the last few months, my mileage has been down in the single digits. between 9.5 to 9.7 all by the hand calculated method. The truck is going through regens just fine, when I hook up my laptop to it, and watch all my parameters, auto-enginuity with the Ford specific pack, it all looks good. Am I just missing something? Any advice would be awesome.
Thanks.
Lately my mileage has been fairly bad when towing. I never use the truck anymore unloaded. California diesel prices are dumb. It sits until I need it to pull then gets parked again after. For the last few months, my mileage has been down in the single digits. between 9.5 to 9.7 all by the hand calculated method. The truck is going through regens just fine, when I hook up my laptop to it, and watch all my parameters, auto-enginuity with the Ford specific pack, it all looks good. Am I just missing something? Any advice would be awesome.
Thanks.
Lead Driver
Joined: Feb 2005
Posts: 7,975
Likes: 2,670
From: The Great State of Texas
Welcome to the 200k mile club... 
As for towing fuel mileage there's a lot of variables at play. I would do a basic highway non towing fuel economy check first to test your truck. Also assuming you haven't changes tires or modified your truck in any way since you noticed this change.
As for towing fuel mileage there's a lot of variables at play. I would do a basic highway non towing fuel economy check first to test your truck. Also assuming you haven't changes tires or modified your truck in any way since you noticed this change.
Lead Driver
Joined: Nov 2005
Posts: 5,245
Likes: 4,266
From: Kaysville Utah
What kind of mileage do you expect towing? Did your truck give you better mileage towing in the past?
My '15 and '17 trucks gave me about 10.5 mpg when towing. My '20 truck with a 10 Speed bumps up to 11.5-12.0 mpg.
My '15 and '17 trucks gave me about 10.5 mpg when towing. My '20 truck with a 10 Speed bumps up to 11.5-12.0 mpg.
Thread Starter
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Mountain Pass
Joined: Oct 2012
Posts: 206
Likes: 7
From: Newcastle, CA
Welcome to the 200k mile club...
As for towing fuel mileage there's a lot of variables at play. I would do a basic highway non towing fuel economy check first to test your truck. Also assuming you haven't changes tires or modified your truck in any way since you noticed this change.
As for towing fuel mileage there's a lot of variables at play. I would do a basic highway non towing fuel economy check first to test your truck. Also assuming you haven't changes tires or modified your truck in any way since you noticed this change.
Only changes were from going from a knock off brand of wranglers to some LTX ms2 tires. I'm a bit worried.
Thread Starter
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Mountain Pass
Joined: Oct 2012
Posts: 206
Likes: 7
From: Newcastle, CA
I used to get right around 11.7 mpg. But this was during the cooler times of the year. Not when we are normally above 100. Can ambient really play that much with my mileage?
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