on October 18, 2012, 10:33 pm, in reply to "Re: Citroen C4 2.0 HDi 9HX 2005 - Code P0087 rail pressure low #"
where you work is irrelevant to me, start with basic reasons for fuel pressure starvation,
as the early posters said check/renew your fuel filter, preferably genuine & yes they are expensive, but given your already mounting costs it's peanuts & where i would've started looking personally
Steve