LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 1985 >> E 250 Van V8-302 5.0L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Fuel Pressure >> Specifications >> Fuel Injection

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.