Detroit Diesel EGR

[jack14r]

What was the first year Prevost installed the DD-EGR motors?
Does anyone have an opinion about the Egr problems or the fuel mileage?

[grross]

I believe the first units with EGR valve were dated November 2004. Our experience over 10K miles is a loss of 1 MPG traveling the same highways at the same speeds.

[jack14r]

Is the EGR only on the 14 liter motors?