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Do a fuel pressure check-no fuel pressure means defective fuel pump-
Bosch h/p pump 0445010092
If you hear the fuel pump run that is a good sign it is working however, a fuel pump pressure test would tell you if the pump is meeting the required pressure.
The fuel pump may be running but it may not put out enough fuel pressure. Have the fuel pressure tested. I am assuming the fuel filter has been changed.
The high pressure fuel pump on a Bosch Common Rail system does not require timing.
A fuel pressure test can determine if the pump is working properly or not.
A fuel pump pressure test could determine that.
Fuel pressure. Need more info to give you required fuel pressure needed to run properly.
One can find a Bosch fuel pump on the Bosch Auto Parts website. If you don't trust that company then you could go to auto parts forums or look up reviews on Bosch Auto Parts.
I would suspect either a clogged fuel filter or a defective or not working fuel pump.
you will need to hook a pressure gauge up to the fuel rail. If the correct pressure is not obtained then the pump is bad. If too much pressure then your fuel pressure regultor is not working. You will need to find out what the normal operating PSI range is for this pump first.
The fuel pump pressure sensor monitors the fuel pressure of the vehicle.