The heavy duty industry has accepted as unavoidable that DPF diesel particulate filter and SCR aftertreatment systems fail: They cause frustrating forced regeneration delays, de-rates and down time. Operators are feeling the pain of excessive idling for regeneration, lower fuel economy and higher preventive maintenance costs as a result of DPF issues.
Heavy duty maintenance executives have struggled to develop maintenance protocols and repair solutions for complex DPF and SCR problems.