Take the gas cap off and turn the key a second or so.
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 the 85 it is on the fuel pressure reg it should be the same
The bleeder valve for fuel injection for 1986 Nissan 300ZX is located at the furthest end of the fuel rail.
The fuel pressure for a 1984 Nissan 300ZX should typically be around 36 to 43 psi (pounds per square inch) when the fuel pump is running and the engine is in a specific operating condition. It's important to check the fuel pressure with a gauge to ensure it is within this range for optimal engine performance. If the pressure is significantly outside this range, it may indicate issues with the fuel pump, pressure regulator, or fuel lines.
fuel door on my 86Z won't release is there a alternate method to get it to open, or better yet a fix I can make?
No, it's fuel injected.
The fuel tank capacity is 19.0 gallons i have an 87 300zx and it only has an 8 gallon tank.
The fuel pump is inside the fuel tank, which is accessed from inside the trunk.
conniaute lake, PA
To change the fuel pump on a 1984 Nissan 300ZX, first, disconnect the negative battery terminal and relieve fuel system pressure by removing the fuel cap and using a fuel pressure gauge. Next, access the fuel pump by removing the rear seat and the access panel. Disconnect the fuel lines and electrical connector from the pump, then unbolt the pump assembly and replace it with the new unit. Reassemble everything in reverse order, ensuring all connections are secure before reconnecting the battery.
It's not usually better than about 12l/100km.
how to wire a 1984 300z fuel injector