On the test table, the response pump can adjust the amount and angle, when we rotate the pump we read the rpm and the temperature, but the pump does not inject fuel. Such a broken pump does not provide fuel at the exit, so the car will not start. Mostly it is a fault "Fuel level adjustment valve" means the upper valve located between the nozzle pipes. High-pressure pump electronics failures Bosch We find VP44 with a diagnostic device. Leakage, that is, pumping defects that account for about 15% of total failuresĮLECTRONIC FAULTS - high pressure pumps Bosch VP44 Pump mechanics failures accounting for about 25% of total failuresģ. Pump electronics failures that account for 60 - 70% of total failuresĢ. Code failures Bosch VP44 high pressure pumps can be divided:ġ.
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