Fuel Pump

Measure the fuel pressure at idle.
Fuel pressure: 281 - 287 kPa (2.87 - 2.93 kgf.sq.cm, 40.8 - 41.7 psi)

Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped.
Fuel pressure: 147 kPa (1.5 kgf.sq.cm, 21 psi) or more