Loosing eng power limp mode

[Travelinman]

Turned out to be the egr valve dealer wanted 1,100.00 to fix .Took it out and cleaned it test drove 200 miles eng light cleared itself and no issues so far. As soon as I can save 600 bones going to retune the system with greendeisel engineering reprogram.

[hondo]

One lesson learned here is many things can cause the same symptom.