can anyone identify a part from a description 110hdi

[selectcase]

I an trying to identily a part on my 110 hdi estate engine
its on the inlet system - its plastic and looks like a small air flow meter without the connections but its not - it fits between the intercooler hose and the inlet manifold,it has what appears to be some kind of valve housing below it, it has 2 small pipes one that goes to the brake servo and the other goes to one of the vacuum controllers on the bulkhead, its not the air flow mwter ot throttle body

the reason i ask it because it looks mucky and i was considering cleaning or replacing it

cheers
will

[Doggy]

If it's 17 above it's your air doser, which AFAIK lets in more air when idling to reduce emissions?

That exhausts my knowledge of the subject.

[selectcase]

apologies for taking so long to reply - yes thats the kiddy - it appears to be leaking a little as there is oil on the cylinder head above it so i will investigate further

having done a search it appears to be a bit of a common problem

viewtopic.php?f=1&t=7455&start=30