Fuel Pressure: Testing and Inspection

CAUTION: Observe all fire hazard precautions detailed in SERVICE PRECAUTIONS, when working on open fuel systems.
Fuel system MUST be depressurized before disconnecting any fuelling component.

1. Depressurize fuel system. See Fuel Pressure Release / Service and Repair. Service and Repair
2. Disconnect fuel feed hose from right hand fuel pressure regulator.
3. Using appropriate adapters, fit fuel gauge between regulator and hose. Be sure connections are secure.
4. Start engine and check for fuel leaks at gauge connections.
5. Fuel pressure should be:

Supply line 45 ±2 psi (3.1 bar)
Fuel rail 36 ±2 psi (2.5 bar)

6. Remove gauge and adaptors.
7. Reconnect fuel lines and check for leaks.