Fuel Pressure Release: Service and Repair

Fig. 2 Releasing Fuel Pressure:

Fig. 1 Fuel Pressure Test Port--Typical:

CAUTION: Do not attempt to start the engine for several minutes to avoid hydrostatic lock.

1. Disconnect the fuel rail electrical harness from the engine harness. Refer to Diagrams/Electrical.
2. Connect one end of a jumper wire to the A142 circuit terminal of the fuel rail harness connector.
3. Connect the other end of the jumper wire to a 12 volt power source.
4. Connect one end of a jumper wire to a good ground source.
5. Momentarily ground one of the injectors by connecting the other end of the jumper wire to an injector terminal in the harness connector. Repeat procedure for 2 to 3 injectors.
6. Replace the pressure test port cap when finished with the procedure.