12,440 views
Verification of the mechanical and electrical operation of the high pressure gasoline pump in direct gasoline injection systems. -Explanation of the operation of the high pressure pump. Principles of the regulation of the pumped flow. Mechanical drive of the pump. -Verification with a PICO oscilloscope of the drive and control of the pump. Connection of the oscilloscope using two channels with voltage measurement, the negative control voltage of the solenoid controlling the useful pumping stroke and the voltage of the camshaft sensor are measured. The tests are carried out with a PICO PQ178 oscilloscope, the product link is this https://www.miac.es/tienda-producto-v...