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

Fuel Feed Hose To Fuel Rail:

2. Disconnect fuel feed hose from fuel rail.
3. Using appropriate adapters, fit fuel gauge between rail and hose. Be sure connections are secure.
4. Start engine and check for fuel leaks at gauge connections.
5. Fuel pressure at idle should be approximately:

35 ±1 psi (2.4 bar) with vacuum connected
43 ±1 psi (3.0 bar) with vacuum disconnected

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