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May 11, 2019 | 10:43 PM

#76

maticuno

Posting Guru

Joined: Nov 2003

Posts: 2,107

Likes: 3

From: California Desert

I've definitely noticed the lower the tank gets, the more accurate the DTE seems. On a full tank, though, it's way off. After refueling, it will say I only have 180 MTE, but I know I can hit over 300.

May 12, 2019 | 05:47 AM

#77

Deuce40s

Posting Guru

Joined: Oct 2013

Posts: 1,039

Likes: 2

From: NC

For the life of me, I don't understand why people use the DTE. It's only an algorithm. Just look at the gallons used. You know you have a 26 gallon tank or whatever, why would you wait until you have used 24+ gallons before stopping for fuel?

May 12, 2019 | 07:21 AM

#78

Chuck's First Ford

Postmaster

Joined: Jul 2015

Posts: 4,392

Likes: 22

From: very South Texas

understand....

the fuel pump is inside the fuel tank. and NEEDS the fuel to keep the pump COOL...

on a hot day.. driving a good distance... going below 1/8 of a tank..
the fuel and the pump can go over 160 degrees... and can damage the fuel pump...

good money for a mechanic. and a tow truck driver...

this is NOT new news...

don't believe me... next time on a good distance drive and low on fuel .. put your hand on the underside of the fuel tank...

May 15, 2019 | 02:08 PM

#79

ndnchf

Freshman User

Joined: May 2019

Posts: 27

Likes: 0

My 2015 Edge has a similar MTE display. It seems to work pretty we. I've only had my 2016 F250 for a week, but I'd like to see how accurate it is. Its a nice feature if it is reasonably accurate.

May 15, 2019 | 06:13 PM

#80

dirthawg

Posting Guru

Joined: Aug 2007

Posts: 1,902

Likes: 26

From: BA, OK

Quote:

Originally Posted by Chuck's First Ford

The 6.7l trucks don't have a pump in the tank. It's on the frame rail.

My last truck....92F350 with dual tanks got 6 mpg towing and I had to refuel every 4 days running my business around town. I always ran the front tank until the needle hit empty. I even drove it till the truck was stuttering and chucking under WOT on a freeway entry ramp many times. Flip the switch to the full tank and all is good again. I drove that truck for 150,000 miles in the same manner and never once replaced the forward fuel pump. I did change the frame mounted fuel filter yearly and it was nasty dirty when I dumped the fuel back out the input side.

May 15, 2019 | 08:17 PM

#81

Fefanatic

Fleet Mechanic

Joined: Jan 2016

Posts: 1,804

Likes: 113

I question that theory. Every fuel pump in the tank that I have replaced (and that's all makes and models) have the fuel being pumped through it. Look at a in tank pump. The pickup sock is on the bottom and the fuel goes through the pump on to the filter and then engine. Even if it is at 1/8 tank fuel still goes through pump and keeps it cool. Air flowing past the tank whle driving will keep the fuel cool. That being said 90+% of the pumps that do go bad is from a partially clogged or clogged fuel filter. I can see a pump overheating when it is trying to pump fuel through a clogged filter.

May 16, 2019 | 10:52 AM

#82

drew999999

Tuned

Joined: Feb 2019

Posts: 276

Likes: 183

I've had a 2013 F150 and how have a 2016 F350, with each having the 35 gal tanks. Both of them read 0 miles to empty right around the 31 gallons used mark. I've never been brave enough to go further, and really hate changing fuel pumps.

May 16, 2019 | 12:50 PM

#83

maticuno

Posting Guru

Joined: Nov 2003

Posts: 2,107

Likes: 3

From: California Desert

While every vehicle is a little different, most in-tank fuel pumps that have a fuel return line dump the return line right on top of the pump to help keep it cool, even if it is no longer submerged in fuel.

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May 16, 2019 | 03:47 PM

#84

TexasRebel

Cargo Master

Joined: Jun 2008

Posts: 2,752

Likes: 5

From: Stillwater, OK

Quote:

Originally Posted by Deuce40s

Gallons Used data wasn't provided when this thread was started. Does not exist on a 2008.

Sep 5, 2019 | 07:18 PM

#85

mokragleski

New User

Joined: Oct 2016

Posts: 4

Likes: 0

From: Michigan

On a related topic, my 2017 Super Duty 6.7l had the issue with the 34 gallon tank. After traveling to California with my 5th wheel and nearly running out of fuel in the desert I replaced the fuel tank with a 60 gallon tank. Great move, super happy with my range, however every Ford dealer I go to refuses to change the DTE setting. I know if I manually double my DTE I am about right on, however I would like to change the truck setting so it knows the new fuel tank size. Is there anyone you can recommend in the Detroit/Toledo area that can do this?

Sep 5, 2019 | 09:42 PM

#86

SnowPlowDriver

More Turbo

Joined: Oct 2016

Posts: 616

Likes: 13

From: Ofallon Mo

Speaking of running out of fuel ,my neighbors co worker ran out during the Ferguson riots a few years ago. Police took him to get a can of gas and asked him if he was nuts.