Cm870 feels like it lacks power

[Redland1]

(03-18-2022 )tree98 Wrote:  There's about a million things that could cause "low power" maybe start by doing an egr tuneup, setting overhead (inspecting all the components real good for wear while your in there ) bubble test the injectors, do a cylinder cut out test to see if its firing on all 6, Pressurize the entire engine and look for boost leaks.

How many miles are on it?

I did an EGR tuneup last year.How often should it be done? Also did the overhead last year as well.Cutout test was done yesterday and what I did was shut off only one cylinder at a time and saw that each time that I turned one off there was a noticeable change.