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Fuel Rail & Injectors: Removal

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the left and right fuel rail covers. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Clean the fuel rail assembly with a spray type Engine Cleaner (GM X-30A) or equivalent, if necessary. Follow the package instructions of the cleaner. Do not soak the fuel rail in liquid cleaning solvent.
  2. Disconnect the fuel feed hose from the fuel rail. See FUEL LINE DISCONNECT FITTINGS . Disconnect the fuel injector electrical connectors. Identify the connectors to their corresponding injectors in order to ensure the correct sequential injector firing order after reassembly.
  3. Note the location of the fuel rail ground strap on the intake manifold. See Figure. The fuel rail ground strap must be installed during assembly. Remove the fuel rail attaching bolts. Remove the fuel rail assembly. See Figure. Remove the injector lower "O" ring seal from the spray tip end of each injector. Discard the lower "O" ring seals.
  4. Spread the injector retainer clip to release the injector from the fuel rail. Discard retaining clip. Remove the fuel injector from the fuel rail. Remove and discard the fuel injector upper "O" ring.
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