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Fuel Hoses/Pipes - Engine Compartment: Notes

  1. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Clean all engine fuel pipe connections and areas surrounding the engine fuel pipe connections before disconnecting the engine fuel pipe connections to avoid possible contamination of the fuel system.
  2. Disconnect the quick-connect fittings in the engine compartment. See FUEL LINE DISCONNECT FITTINGS . Remove the upper intake manifold assembly. See appropriate article in ENGINES. Disconnect the engine fuel return pipe from the fuel pressure regulator.
  3. Discard the "O" ring. Disconnect the engine fuel inlet pipe from the fuel rail. Discard the "O" ring. Cap the fuel pipes as needed to stop any fuel leakage.
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