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.

Top diesel exhaust fluids for the money 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 ...

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.

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?

But one of the secrets to mitigating their emissions is the usage of diesel exhaust fluid (DEF), also known as AdBlue. The DEF injector on a 2015 Volkswagen Jetta TDI.

Diesel exhaust fluid reduces harmful nitrous oxides coming from your car, but putting it in the wrong tank can be disastrous for your engine.

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 ...

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 ...

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 ...