Hello friends.Could anybody hlep me about engine ECU wiring diagram for Volvo L120E,engine D7D?Engine want not to start,not fuel from fuel pumps.Thanks in advance
Is your slurry bowl full. Is there any signs of leakage at the bowl. Is it wet.
Yes,fuel comes from feed pump to piston pumps,but from piston pumps have not fuel pressure.If you have ECU pinout with supplies and sensors inputs,it will be very useful for for me.
hope this helps. When you want to go deeper , let us know.
Thank you very much.I checked today cam and crank sensors.Cam sensor was broken and it is replaced.Fuel pumps have electric pulses now, but engine did not start.Fuel comming up fine without air, but fuel pressure to injectors is low.What you mean what can be problem now, maybe fuel piston pumps, or something else?
Have you any way of checking fuel pressure? I know you said that you have fuel present. We need to know pressure. You want to see approximately 4 bar.
It mean that check valve on fuel return line must be 4 bar?I make measuring port on banjo bolt and will make pressure.4 bar on cranking state from feed pump?
Yes. Cranking you want to see 3.5 -5 bar if you have electronic individual unit pumps. If you have tier 3 common rail, you want to see 5-7 bar.
Do you have a error code ?