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Diesel Tank Size

 
  #1  
Old 05-26-2019, 07:45 PM
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Diesel Tank Size

How can you positively know what size fuel tank you have? Nothing I have found states what size I have. The manual lists "Fuel Tank (176 inch wheelbase, middle location) as 48 gallons but then right below it, it says, "Fuel Tank (incomplete vehicle, middle location) as 26.5. I hate to us the word assume, but I thinking mine is 48 gallons? I just traded in my 6.7 2011 F250 4x4 for a full sized F350 dually and it has the 176 inch wheelbase. Absolutely nothing on any of my paper work states what size tank it is.
 
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Old 05-26-2019, 08:38 PM
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Should be 48.
 
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Old 05-27-2019, 06:20 AM
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Originally Posted by Rick Cargo View Post
How can you positively know what size fuel tank you have? Nothing I have found states what size I have. The manual lists "Fuel Tank (176 inch wheelbase, middle location) as 48 gallons but then right below it, it says, "Fuel Tank (incomplete vehicle, middle location) as 26.5.
Well, its right there.48 gallon tank, unless it was an incomplete vehicle, which only gets a 26.5 gallon tank. Did you by a Truck (a complete vehicle), or a Chassis Cab (incomplete vehicle)? Answer that question, and you will know which fuel tank you have.

Alternative, you could have used the scientific method and driven it until you had an eighth of a tank left then fill it up. Does it take 40 gallons, or only 20? Be aware these trucks tend to have a large amount of unusable fuel reserve (not really a reserve, but to keep the fuel pump covered). My truck has the 34 gallon tank, but I have only once had it take more than 29 gallons in nearly two years of ownership.
 
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Old 05-27-2019, 12:36 PM
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Thanks Guys.
 
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Old 05-27-2019, 12:50 PM
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I've put 47 gallons in my 2017 F350 CC long bed.
 
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Old 05-27-2019, 01:32 PM
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I'm sure glad they finally figured out the fuel tank situation, I have a 2014 and a 2016 and they both have the 26 gallon tank, which is fine for everything except towing, makes you pull over every 150-200 miles.
 
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Old 05-27-2019, 02:56 PM
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And thanks for the worthless design from Ford, a 26 gallon tank, is only 22 that can be used. I was down to only 15 miles to empty (rarely ever get that low) and I could only squeeze 21.9 gallons in. Really looking forward to the Titan 50 gallon aftermarket tank!
 
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Old 05-27-2019, 03:23 PM
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Originally Posted by UP_There View Post
And thanks for the worthless design from Ford, a 26 gallon tank, is only 22 that can be used. I was down to only 15 miles to empty (rarely ever get that low) and I could only squeeze 21.9 gallons in. Really looking forward to the Titan 50 gallon aftermarket tank!
I too want to do this upgrade, at least to the 2016 I have. Itís just difficult to swallow the $1600 cost for the extended range. However it would be awesome to go 600-700+ miles on a tank of fuel.
 
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Old 06-11-2019, 07:50 PM
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Question Titan 50 gallon aftermarket tank questions

Hey guys; Ford Newbie here
I am considering the Titan 50 gallon aftermarket tank on my 2016 CC with the 26 gal. factory tank.
Will the fuel gauge work properly?
Will this screw up the computers in any way? I would expect the mileage to empty would be messed up but can the dealer program the computer to show the fuel capacity is 50 gal?
Thanks
 
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Old 06-11-2019, 07:54 PM
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Originally Posted by laarandaa View Post
Hey guys; Ford Newbie here
I am considering the Titan 50 gallon aftermarket tank on my 2016 CC with the 26 gal. factory tank.
Will the fuel gauge work properly?
Will this screw up the computers in any way? I would expect the mileage to empty would be messed up but can the dealer program the computer to show the fuel capacity is 50 gal?
Thanks
The dealer or a shop installing the tank, or a few other options let you reprogram the DTE calculator
 
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Old 06-11-2019, 07:58 PM
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Thanks bobcat67! I appreciate the info and quick answer.
LA
 
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Old 06-12-2019, 07:15 AM
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Do a search online, or on this forum for a software called 'forscan'. IT will allow you to reset the fuel tank size used in the DTE calculation.
 
  #13  
Old 06-12-2019, 07:55 AM
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2012 F250 4x4 CCSB ..... I installed the Titan 50 gallon tank a few years back. It is a great addition. The Ford engineers must never have driven in the 4 Corners region where I live. 26 gallons is a pathetic design. Round numbers ..... only 23 gallons usable, (never want to run it dry), 10 mpg towing, 230 mile range, 50 miles between gas stations, range reduced to 180 miles, and the then there is wind and grades. In southwestern New Mexico is saw a highway sign .... No Fuel Food or Lodging Next 125 Miles. My $0.02.
 
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Old 06-12-2019, 09:50 AM
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Yes the 26 gallon tank is rather pathetic, actually very surprising that Ford went with this size of tank after GM did for however many years and people hated it. Granted they fixed it when the LMM engine came out and had a 30+gallon tank, kind of like the 2017 Super Duty's have it figured out. Wish a long box tank would fit underneath, but they won't. Will upgrade to the Titan tank once I'm pissed off enough about the lack of range with the 26 gallon tank while towing. On my recent move to Arkansas from Wyoming I didn't dare push it much farther than 150 miles before getting fuel. Was rather inconvenient in some towns to pull a 30 ft bumper pull into their stations, and I've noticed diesel must not be as prevalent in a lot of areas, lot of pumps were old and dated and didn't accept cards, had to go pay inside first. 1st world problems.
 
  #15  
Old 06-13-2019, 07:47 AM
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I put the Titan 50 gallon tank in my truck. The gas gauge does work. You have to use Forscan or have the dealer modify the miles to empty calculation. One thing to remember is that an 8th of 50 gallon tank is much more than an 8th of a 26 gallon tank so when the low fuel light comes on depending on your miles per gallon you get close to 100 miles till empty. I can say that in my opinion the Titan 50 gallon tank is probably one of the best additions that I've made to my truck.
 

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