edit strange on marelli 6f3

[pdtechnology]

hi all I have brought a car already mapped(which I'm doing only the work of mechanics)but knew that ? been mapped I read the file and scrolling through the files, I found this edit that I attach,I sincerely on this type of ecu I have ever seen, but according to you, what is the purpose ? been made is the change?does it work?unless I think that it was made with the intent to close the egr thanks to anyone who says its..... good job to all