how long does def fluid last
However exposure to sunlight or sustained high temperatures can compromise it. DEF can usually be stored for a year without contamination. How To Put Def Fluid In A Truck Which Brand Is Cheapest Fluid Diesel Exhaust Fluid Trucks Def is consumed at an. . Nor do you have to fill the Def tank up when you stop for fuel. At what temperatures should it be stored. There is no real specific time of year that you have to add Def to your engine. Your screen lets you do a scan to make sure your DEF isnt low and you will also get a warning on your screen if it drops below a certain level. Diesel exhaust fluid normally has a shelf life of about two years. Since DEF has a shelf life of about 18 months every jug will come with a date stamp and an API symbol to ensure that it meets the required standards. Likewise what happens if DEF fluid runs out. Most DEF tanks require one gallon of DEF for every 50 gallons of diesel fuel and one gallon w