Given how important the fluid is, you don't want your diesel-powered vehicle to run on expired DEF. Long-term use of expired DEF can significantly affect the performance of the selective catalytic ...

If you do crank your engine after adding Diesel Exhaust Fluid to your fuel tank, you likely won't be on the road for very long, as the presence of DEF in your fuel system will almost certainly ...

Without getting too technically geeky, Diesel Exhaust Fluid, or DEF, is an aqueous urea solution that's generally 32.5-percent urea and 67.5 percent deionized water.

Diesel exhaust fluid is another complication that serious 4WDers will need to accommodate. Along with calculating your fuel range on big trips, know how long you can comfortably go between DEF ...

If you do crank your engine after adding Diesel Exhaust Fluid to your fuel tank, you likely won't be on the road for very long, as the presence of DEF in your fuel system will almost certainly ...

DEF is less toxic than many other fluids in a truck, including diesel fuel, engine oil, brake fluid, antifreeze and windshield washing fluid. 10. What happens to my truck if I run out of DEF?

Diesel-powered vehicles require diesel exhaust fluid to reduce engine emissions, making them less harmful to the environment and safer to drive. Skip to content FOX 5 San Diego & KUSI News ...

Blue Def Diesel Exhaust Fluid. What you need to know: This two-pack of diesel exhaust fluids is a popular brand offered at a reasonable price to provide solid value.

DEF is "Diesel Exhaust Fluid" and, as a matter of fact, modern diesels run just fine without it. DEF is instead concerned with what comes out of modern diesel engines.

When readying a late-model oil burner for the cold, one thing that may be overlooked is the proper management of Diesel Exhaust Fluid (DEF). Handling and storing DEF in cold climates can be ...