What is DEF CAP and Its Importance?
In modern diesel engines, DEF (Diesel Exhaust Fluid) plays a crucial role in reducing nitrogen oxides (NOx) emissions, helping the engine meet strict emission standards. DEF is made up of 32.5% urea and 67.5% deionized water. It is injected into the exhaust system through a Selective Catalytic Reduction (SCR) system, where it is converted into…