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Fuel Rails & Injectors: Removal

  1. Thoroughly clean engine. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE  . Disconnect negative battery cable. Remove upper intake manifold and throttle body as an assembly.
  2. Disconnect fuel supply line from fuel supply manifold. See FUEL LINE CONNECTORS  . Disconnect fuel return line from fuel pressure regulator. Remove fuel supply manifold. See Figure . Disconnect injector electrical connectors and retaining clips. Remove injectors from fuel supply manifold.
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