300ZX V6-2960cc 3.0L SOHC MFI (VG30E) (1988)
Fuel Pressure Regulator: Description and Operation
1986-88 300ZX, 1987-88 Pulsar Exc. E16i Engine, Maxima, Stanza, Stanza Wagon & 200SX
This system improves engine starting in hot condition by cutting off intake manifold vacuum and increasing fuel pressure by the use of a pressure
regulator control solenoid valve.