Fuel Tank Question
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Senior User
Joined: Jul 2016
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From: Minnesota
Fuel Tank Question
I've got a 17 CCSB, 4 X 4 with the 6.7. As I understand it, I should have the 34 gallon tank. I filled it up today and have a question. I was below 1/4 tank with the display telling me I have ~60 miles left before empty and mileage at 14.3. It took a little over 20 gallons. At a glance, the basic math seems off. Do Fords typically build in some type of large "reserve" into the fuel gauges?
Lead Driver
Joined: Jun 2005
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From: Calgary Canada
Distance to Empty calculations are usually very conservative. But not sure how many gallons will remain when it hits zero typically. I agree, something seems off. If this happens a few times in a row, it might be worth a trip to the dealer.
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Senior User
Joined: Jul 2016
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From: Minnesota
In looking at the new "full" calculation.....it seems right on. Its at something like 485. If I take 14.3 X 34....I get 486.2. Ahhh, its probably nothing, but I'll keep an eye on it. Thanks
Cargo Master
Joined: May 2007
Posts: 3,336
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From: Western New York
It might be something you can set yourself with a bluetooth OBD reader and cell phone app and the Forscan system. I just scratched the surface of the abilities of the system. Rodney has (Karl4Cat) turned me on to the system and could explain much more about it.
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I've got a 17 CCSB, 4 X 4 with the 6.7. As I understand it, I should have the 34 gallon tank. I filled it up today and have a question. I was below 1/4 tank with the display telling me I have ~60 miles left before empty and mileage at 14.3. It took a little over 20 gallons. At a glance, the basic math seems off. Do Fords typically build in some type of large "reserve" into the fuel gauges?
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Cargo Master
Joined: Dec 2003
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From: Central MO
Funny you mention this. I have fueled up 3 times now, twice when the guage read between 1/4 and 1/8 tank remaining. It took around 22-25 gallons to fill me up. I didn't put too much thought into at the time, but it did strike me as odd since I was expecting nearly 30 gallons. When full, the DTE shows over 520+ miles, which is about right. I guess I will have to pay more attention next time I fuel up.
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Senior User
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I'll have to check again, because I believe it was closer to 1/8 on that fueling, and that the one just below a quarter was 22 gallons. Perhaps I misremember, but the thought did occur to me at the time that it seemed to be a couple of gallons off what I was expecting.
Cargo Master
Joined: Dec 2003
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From: Central MO
I'll have to check again, because I believe it was closer to 1/8 on that fueling, and that the one just below a quarter was 22 gallons. Perhaps I misremember, but the thought did occur to me at the time that it seemed to be a couple of gallons off what I was expecting.
New User
Joined: Sep 2016
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I have been wondering the same thing. I also filled up 3 or 4 times now and each time my gauge shows between 70-90 miles to empty and it Only took 20-22 gallons to fill up...With a 34 gallon tank it doesn't seem to be adding up.
Logistics Pro
Joined: Dec 2004
Posts: 3,541
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From: Weatherford Texas.
I wonder if they take the Unusable fuel into the calculations, Maybe it is a 34 gallon tank but you use 1 to 2 gallons on unusable fuel. which would make it a 32 gallon tank. We may actually never know till some one actually runs out. And no I am not volunteering to experiment
