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Removal (Prius)

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WARNING: Read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove air cleaner assembly on top of engine for access to ignition coils and valve cover. Remove ignition coils, valve cover and gasket. See Figure.
  2. Ensure area around fuel pipe at end of fuel rail and disconnect fitting is clean. See Figure.
    3. CAUTION: Use care when disconnecting fuel pipe, as some residual fuel pressure may still exist in the fuel system.
  3. Depress both sides of retainer and pull fuel pipe with disconnect fitting from fuel pipe fitting. See Figure.
  4. Note location of electrical connectors on fuel injectors for installation reference. Disconnect electrical connectors at fuel injectors.
    5. CAUTION: When removing fuel rail, use care not to allow fuel injectors to fall from fuel rail.
  5. Remove bolt from fuel pipe clamp at the cylinder head. See Figure. Remove fuel rail-to-cylinder head bolts. Remove fuel rail with fuel injectors as an assembly. Remove the 2 spacers from cylinder head. Remove fuel injectors from fuel rail. Remove "O" ring and grommet from fuel injector.
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