3500 4x4 Pickup V10-488 8.0L Magnum (1994)
Fuel Pressure Release: Service and Repair
Fuel Pressure Test Port
Fuel Pressure Release Procedure - Typical
1. Remove the negative battery cable, and remove the fuel tank fill cap.
2. Place sufficient shop towels under the pressure test port (schrader valve) on the fuel rail.
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.
