Cm871 pouring blue smoke out exhaust up hill. Please help

[Hammerhead]

(06-28-2017 )Nilao Wrote:  every time I have seen one blow blue smoke pulling a hill it was a cracked DPF.

Yup, most places that clean them either can't find the crack, or won't tell you cause then you won't clean another one, you'll just replace it.

(06-28-2017 )EdgarLeyva Wrote:  I know this is incorrect. But how or what should i do next to fix the problem?

That's an easy question, it's an 871...@m*m^2 that baby all day long! Say "Hello" to >7mpg!
Sounds like a trip to Atlanta in your immediate future. Congrats, you've got a good one!