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Fuel Pressure Release

  1. Disconnect negative battery cable. Slowly open fuel cap to release fuel tank pressure. Remove protective cap from pressure test port on fuel rail.
    CAUTION: To minimize fuel spillage, wrap a shop towel around and under pressure test port.
  2. Using Fuel Pressure Gauge/Hose (5069) with gauge removed, place gauge end of hose into approved gasoline container. To release pressure, screw other end of hose onto pressure test port. After pressure is released, remove hose from test port and continue fuel system service. When servicing is completed, install protective cap on fuel rail test port.
WARNING: Before disconnecting any fuel line, or fuel system component during testing, repeat FUEL PRESSURE RELEASE procedure. Perform FUEL PUMP TEST with fuel tank at least half full.
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