Hi I have a 2005 dodge ram 3500 5.9 cummins with 70000 miles one day when I was driving I stepped on the gas kinda hard and when I let of it seemed fine but when I stepped on it ,it Blow black smoke.
And it didn't want to up shift and
then it stalled I started it back up and
hit still was blowing black smoke and
not wanting to up shift, it did it till I
got home when I started it up later
that day it didn't do and this has
been an off and on problem for a
couple weeks I check the fluid it was
code I put a code checker on there
and it was good any ideas