Quote:
Originally Posted by phantom_smack 90 % of the time its the DPFE sensor,it reads if the egr is vavle open or not by reading a pressure change in the exhaust.It is controled by the EVR solenoid. |
He is correct the DPFE fails and it can but usually doesnt take the EGR with it, if you connect a diagnostic computer it should show EGR Flow insufficent or overflow, remove and replace your DPFE sensor, i bet your gas mileage as decreased as well.