Fuel Pressure

Fuel Pressure
At idle Approximately 4.0 bar positive pressure
Switch off ignition. After 10 minutes there must be a residual pressure of at least 3.0 bar.

Fuel Pump Delivery Quantity
Compare quantity of fuel delivered with minimum delivery rate in the diagram (cm3/30 sec.)





Voltage at the fuel pump with engine stopped and fuel pump running is approx. 2 volts less than battery voltage