Cummins X15 after treatment issues

[Envirotec]

Hi Rawze,

I took some photos of piping for EGR on our 2018 Cummins X15. Please see attached photos. I keep having to clean DPF and DOC. Turbo and VGT actuator are original with truck from 2018. Truck has 430k miles. Cannot figure out our clogging DPF issues. The Piping for EGR has soot in it but its not clogged like an artery. Please let me know your thoughts?? Also, how do you know if a turbo is bad? And does a bad turbo create soot in DPF? How does it happen? I have Insite if that helps with checking for bad turbo. I just don't know where all the soot buildup is coming from!!

Thank you in advance for all the help and advice you provide. Its greatly appreciated!

Derek

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