Hi my name is Ross, I'm a car technician and I’ll help with your question.
Hi, Ross,as I got your reply you went off line. Hope you can come back with a potential resolution.
Sorry about the delay there. Have you had any diagnostics carried out yet? And is this model fitted with a diesel particulate filter?
Hi. I B
Hi Ross, Not been able to make contact last couple of days,Here's what I know. I have spoken to my local garage who deal with such things,and they suggest,it could be 1 of several things,1 solenoid 2 valve operated by solenoid or pump shaft seal,they also state none of these are likely as this is a very sucessfull bosch kit. All tasks involve quite a spend on asystem with less than 40k