What should a 1984 Nissan 300zx fuel pressure be?

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.