On a 1984 Nissan 300ZX the fuel pump turns on with the key. For a couple of seconds to pressurize the fuel system for initial start-up. Once the engines oil pressure has raised to normal operating pressure. The fuel pump remains on.
No, it's fuel injected.
how to wire a 1984 300z fuel injector
You should only have 44 psi at WOT - maybe you have a faulty fuel pressure regulator.
it may have a blockage in the fuel line, check every part of it form tank to engine.
With a fuel pressure gauge.
no the 85 it is on the fuel pressure reg it should be the same
on the bottom of the car just below the hatch is.. on the very bottom of the car below the back THE FUEL pump in a 1984 300zx is inside the fuel tank. These factory fuel pumps are very good and almost indestructable.
Take the gas cap off and turn the key a second or so.
I would suspect the fuel pressure regulator.
The fuel pump operates at 13 PSI.
The fuel pump operates at 13 PSI.