F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Fuel Pressure Release: Service and Repair
Using Fuel Pressure Gauge
WARNING: Fuel supply tubes will remain pressurized for long periods of time after engine shutdown. This pressure must be relieved before
servicing of the fuel system is begun.
1. Remove the protective cap from the fuel pressure relief valve.
2. Connect Multiport Fuel Injection (MFI) Fuel Pressure Gauge (EFI/CFI) T80L-9974-B to the fuel pressure relief valve on the fuel injection supply
manifold.
3. Place end of the adapter hose in a suitable container.
4. Open the manual valve on the fuel pressure gauge to relieve fuel system pressure.
5. Close the manual valve and disconnect the tool from the fuel pressure relief valve. Remove container.
6. Install the protective cap on the fuel pressure relief valve.
