In need of help
hi im new to the site but just trying to help a buddy. He has a 99 ranger auto with a 3.0 in it. The other day it started misfiring we have put new plugs, wires, and a new coil pack however its still misfiring. WHen i scanned it last it was misfiring on 2 3 and 5 so after we replaced all the parts i cleared the codes same thing now but no codes. And he still has a code for the egr with insufficiant flow whats going on with that to because that is new.