help with EGR & DPF OFF sprinter 315cdi W906

[Migas]

hello everyone. i need help with EGR OFF and DPF OFF mercedes sprinter 315 cdi w906 150cv.

ecu edc16cp31. thanks

[Migas]

I have the following error memorized excess airflow 2011-01

Already changed the MAP and MAF, the turbos are in good condition, solenoid valves that control the turbos are also good.
can someone help me?