As a result DEF will freeze inside the DEF tank on extremely chilly days down below 12 File. That is completely regular and will never harm the motor. The SCR programs are created to provide warmth into the DEF tank which will swiftly thaw the tank and supporting source strains. https://ag-products09754.shoutmyblog.com/17489017/how-much-you-need-to-expect-you-ll-pay-for-a-good-fuel-pumps