Cummins X15 after treatment issues

[Envirotec]

(05-06-2024 )Envirotec Wrote:  

(05-06-2024 )JimT Wrote:  Also, DON'T blow out the DOC/DPF/SCR cans with shop air! It damages the filters. They are not just straight through passages. Blowing shop air through them can cause blowouts in the narrow passages and turns used to collect the soot. Basically rendering them useless.

There was some white/beige colored looking material that had same consistency as soot. As soon as you touch it, it turns to a fine powder. Not sure if it’s pieces of filter or particulate matter from within.