my dpfe sensor when out on my escape and autozone said it was the egr valve but when I took it to the ford place they told me that it was the dpfe sensor that tells the egr valve to open and close mine was stuck closed I was getting 17mpg after I got it fixed I get 22mpg highway help out alot 63000 on it right now
check your DPFE sensor first before you check your egr valve.