Just got a new 15 so I may have a few questions. Is there a gauge to see how much of that stuff you have a in the tank? I read most of the manual can't seem to find how much ya have. With all this computer screen stuff it is a learning experence. I've even gone as far as you tubing how to use the nav system and other bells with that screen.

 

On the dash..go all the way down to information.


Then I think it is system check.


It wlll just show ok or less than 1/2.


There are three sensors for the system
Full
less than 1/2
XX miles till empty


When you get to around 200 miles to empty then do a complete fill.


Filling early confuses it.

 

Remember the DEF tank is 5 gals.

If you some insight to your Diesel here is a good bit of info:

Ford 2015 Diesel Supplement

http://www.fordservicecontent.com/Fo...US_02_2014.pdf

 

I had my 500 mile warning go off a few miles ago. I'm 1500 or so miles from getting the complementary oil change from Ford, so I poured in about a gallon of DEF. The 500 mile warning went away, and my Torque Pro gauge went from ~.45 to ~.8.