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Removal (3.1L & 3.4L)

WARNING: This page is about a different car, the 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE  . Disconnect pressure regulator vacuum hose. Remove fuel pressure regulator screw. Using a shop towel to catch any spilled fuel, lift and twist the fuel pressure regulator in order to remove the fuel pressure regulator from the fuel rail.
  2. Remove the retainer and spacer bracket from the rail and discard. Remove the fuel pressure regulator from the engine fuel return pipe. Remove the fuel pressure regulator inlet "O" ring and the fuel return pipe "O" ring and discard.
    NOTE: Do not use compressed air to test or clean a fuel pressure regulator as damage to the fuel pressure regulator may result. Clean the fuel pressure regulator filter screen with gasoline, if necessary. Do not immerse the fuel pressure regulator in a solvent bath in order to prevent damage to the fuel pressure regulator.
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