My car 1.4 HDI 07 plate about 40.000 miles Hi the EGR is at the back of the engine which is hard to reach,might need to dismantle plastic at front of windscreen and wiper motor to reach,my management light keeps going on and off 2 weeks at a time diagnostic says its this valve at fault but car drives ok ,not to worried at the moment until mot is due dec.its a job trying to get to it,best of luck.