Considering a elimination of your Cummins Signature engine's pollution control system? A “delete,” commonly referring to the deletion of particulate matter traps and Selective Catalytic Reduction (SCR) https://medium.com/@bhawanisingh03322/diesel-engine-troubleshooting-guide-dpf-egr-def-common-engine-problems-c8a53172c313?sharedUserId=bhawanisingh03322