Fuel Pump
Disconnect the vacuum hose from the pressure regulator, and plug the hose end. Measure the fuel pressure at idle.Standard value : 320 - 340 kPa (3.26 - 3.47 kg/sq.cm, 46 - 49 psi)
Measure the fuel pressure when the vacuum hose is connected to the pressure regulator.
Standard value : Approx. 255 kPa (2.57 kg/sq.cm, 37 psi)