Quote Originally Posted by Double R Diesel View Post
Depends when your tunes were made. The older egrless emissions tuning required the egr valve be unplugged. The newer newer egrless emissions tuning doesn't. So if you plugged your egr valve back in and you see your egr valve position anything other than zero, then that means it's the older tuning.

Ray

Owner and Calibration Specialist
Double R Diesel
www.doublerdiesel.com
info@doublerdiesel.com
Just like Ray on time always with all the answers great job Ray