Fuel Pressure Check

1. Release fuel system pressure.
2. Disconnect fuel inlet hose from injection unit and tee in a suitable pressure gauge.
3. Start engine and check for fuel leaks, then check pressure gauge reading. At idle, fuel pressure should be approximately 14 psi on 1986 Pickup and 1987-88 2WD Sentra or 36 psi on 1987-88 Pathfinder, Pickup, Van and 4WD Sentra.
4. Release fuel system pressure, then remove pressure gauge and reconnect fuel line.