Fuel Pressure: Specifications

Key on engine off 196 to 588 kPa (2 to 6 kgf/cm2, 28 to 85 psi)
At idle 196 to 588 kPa (2 to 6 kgf/cm2, 28 to 85 psi)

Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped