Moin check out the fuel pressure because are partly large differences are zb set pressure should lie at 0277 bar the actual pressure lies partly much higher (jumps in peaks so around the 0585 bar) I have thought the pressure regulator in, what do you mean? motor start only with hand pre-pumps. 508 2011 1,6 HDI / 82KW 0BL059107 DV6C thank you