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I found that problem is caused by ECU. It seems that some chip on PCB is not working correctly when it is hot and therefore don't let engine to start. I took ECU cover off and now it seems that air is cooling it so much that car is stating at the moment every time. I will experiment it further.

If i disconnect 3rd piston actuator valve with running engine then engine shuts down. Some time ago I had problem that after turning off ignition key, engine didn´t stop. Problem was in trailer connector where was short and 3rd piston actuator valve was all time energized. For two days I didn´t do w...

No these faults are wrote straight down by diagnostic guy. This first one I think should be HP pump shut off valve( so called 3rd piston actuator valve). I checked that voltage are coming to connector but I can´t be sure that valve opens. I turned one injector fuel input pipe a little bit loose to s...

I checked it over and it seemed okay. When I visited diagnostics then he said that common rail pressure is okay with low and high RPM. And therefore he thought that HP pump pressure regulator should be okay.

406 HDI 110 about 462 000 km. Purchased as new car in March 2003.

Hi My car starts without problems when engine is cold or are hot. When engine cool down about 1 minutes or more then it is very hard or impossible to start it again and only way is to wait at least 2 hours to cool down. With running engine there is no problems. I have checked that fuel is reaching t...