DEF in diesel SCR systems.
Modern diesel engines require the use of DEF fluid to meet the clean air standards. I tow with a 98.6 Dodge Cummins powered truck, thus no DEF is necessary. But those who have the newer versions of Di...
Forum Discussion
nevadanick wrote:
Wildebill, all modern diesel vehicles using DEF have a DPF as well.
You are right:S
Bill
