mb sprinter 906 problem

[vlad21]

hi there;is my first post here please help;
i own a sprinter 906 year 2006 2.2 cdi and i have the folowing issues:
MIL light always on , no fault code store via DELPHI AUTOCOM, limp mode, and if i start the car in max 10 min i get the 2355 fault code (egr-air mass is to high). i erase the code , i start the car , no fault code for the moment, mil on , max 10 min code 2355.
any advice

 

[Daffodi]

If you want to save time and money, get it too a dealer and get it stuck on a star machine.
Ask them for a price for this when you book it in.
Sounds like the sensor though??

 

[vlad21]

no one ?!! still have the problem.
my mercedes specialists advice me to replace the egr valve but i ve already done this