EGR System: Regulation Divergence

[oma]

My car is going for it's MOT on Friday and I am getting the faults. Any one know how to clear these.

2 Faults Found:
17811 - EGR System: Regulation Divergence
P1403 - 35-10 - - - Intermittent
17811 - EGR System: Regulation Divergence
P1403 - 35-00 - -
Readiness: 0000 0100

 

[oma]

Is it possible to check the EGR valve with ross tech 409.1. The following error codes will it mean that my car fails the emission test.

2 Faults Found:
17811 - EGR System: Regulation Divergence
P1403 - 35-10 - - - Intermittent
17811 - EGR System: Regulation Divergence
P1403 - 35-00 - -
Readiness: 0000 0100

 

[oma]

If you look at this photo It may give you more ideas how to fix this problem.

http://d.imagehost.org/0362/seat.png