Just want to make sure I dont F anything up... Can I replace my EGR due to code P0404 and still keep my SC 91 tune installed or retune back to stock while changing EGR? Anyone familiar with this please respond. Thanks.

 

your fine ... lol didnt think anyone would ever ask that lol....but really your fine man while your at her clean the TB

forgot to add also when done clear out the code with your sc

 

Yep, what he said!!