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jack14r
01-30-2007, 07:37 AM
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
01-30-2007, 11:11 AM
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
01-30-2007, 10:07 PM
Is the EGR only on the 14 liter motors?