Fuel Pressure Release: Service and Repair

Fuel Pressure Test Port:

Fuel Pressure Release Procedure - Typical:

1. Remove the negative battery cable, and remove fuel tank fill cap.
2. Place sufficient shop towels under the fuel test port (schrader valve) on the fuel rail near throttle body.
3. Remove the cap from the pressure test port on the fuel rail.
4. Using an appropriate fuel pressure gauge hose, place one end of hose in an approved container and screw the other end of the hose onto the test port to relieve fuel pressure. Absorb any spilled fuel with shop towels.
5. Install cap on test port.