F 250 2WD Pickup V8-302 5.0L VIN N FI (1985)
Fuel Pressure: Specifications
Fuel Injection
FUEL SYSTEM SPECIFICATIONS
Pressure
Key On Engine Off .................................................................................................................................................................................. 35-45 psi
Engine Idling ........................................................................................................................................................................................... 28-38 psi
Volume
A minimum of 170 ml (5.6 oz) in 10 seconds.
WARNING: Fuel supply lines will remain pressurized for some period of time after the engine is shut off. Before opening the fuel system,
relieve the fuel pressure.
FUEL PRESSURE RELIEF PROCEDURE
-
Locate and disconnect the electrical connection to either the fuel pump relay, the inertia switch, or the in-line high pressure fuel pump.
-
Crank engine for about ten seconds.
NOTE: Engine may start and run for a short time. If so, crank engine an additional five seconds after engine stalls.
-
Reconnect the electrical connector that was disconnected in the first step.
-
Disconnect negative battery cable.
