2011 isx code 2372 dtc engine surging

[Rawze]

(Yesterday )Jugg528 Wrote:  ...
It's a 2007 kw w900 truck was purchased used 2 yrs ago it has been running fine and this issue started I have not done an injector leak down test it is demandated as far as EGR goes was tuned prior to purchase.

"... tuned prior to purchase..."
Your playing with fire, and for all you know, that program could be ripping the guts out of that engine more and more every mile you drive it. Get that program pulled and looked at IMMEDIATELY!!!.

and do the other things I mentioned above.


and you did not supply an engine ser#... so I still don't have any clue as to what engine you actually have there.