def life in vehicle

  • Welcome to EcoDieselRam.com We see you haven't REGISTERED yet.

    Your truck knowledge is missing!
    • Registration is FREE , all we need is your birthday and email. (We don't share ANY data with ANYONE)
    • We have tons of knowledge here for your EcoDiesel truck!
    • Post your own topics and reply to existing threads to help others out!
    • We believe in quality OVER quantity, and a family friendly place for your #EcoDiesel home!
    CLICK HERE TO REGISTER! Problems registering? Click here to contact us!

    Already registered, but need a PASSWORD RESET? CLICK HERE TO RESET YOUR PASSWORD!

swordfish

Active Member
Nov 15, 2015
115
45
28
oregon
Truck Year
2015
i hear def has a shelf life,a tank should run 7 to 10 thou depending on driving conditions, is there an additive to extend this, my question is if my truck sits all winter, could i expect a problem and what type of problem would it be?
 

BoostN

Administrator
Staff member
Administrator
Jul 27, 2013
3,742
956
113
Tennessee
ecodieselram.com
Truck Year
Not Listed
DEF Degrades after a certain amount of time (usually 1 year). Cummins states that if you're in extreme temps (between 10F & 90F) it could reduce the shelf life.

Any truck that uses DEF is pretty sensitive. If you're storing the truck for a long period of time I would think you'd be better better off getting the most out you can. I'm unaware of any DEF additive.
 

diesel power 2014

New Member
Oct 3, 2015
27
4
3
Truck Year
2014
i hear def has a shelf life,a tank should run 7 to 10 thou depending on driving conditions, is there an additive to extend this, my question is if my truck sits all winter, could i expect a problem and what type of problem would it be?
There is nothing you can add and please don't.If you plan to leave truck sit all winter do not have the DEF tank more than 3/4 full as it
can ,and may freeze and will expand the tank and it will crack.Info I have got from the manufacture(s) shelf life is good for about a year
that is in a sealed container in a cool place.You will use up what is in your tank and you should not have a problem.I did not drive my
Ram last winter but I started it at least once a week let it warm up,and don't forget battery,DEF tank heater and fuel filter always drawing
power from battery be to keep battery up.