Dpf cleaned and mileage dropped 1 mpg

[Trucker750]

(05-05-2018 )hhow55 Wrote:  When they cleaned the DPF , did they do a maintenance reset?

When they first did the cleaning of dpf, and my mileage dropped, I called and asked about it. And they told me they forgot to reset the ash accumulator, so 1500 miles later I was able to get it back to them and they reset it, but it didnt help.