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Removal (4.3L)

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE .
  2. Fuel pressure regulator is mounted to fuel meter assembly, under upper intake manifold. Remove upper intake manifold. See INTAKE MANIFOLD .
  3. Before removal, clean fuel meter body assembly with a spray type engine cleaner, such as GM X-30A. DO NOT use any solvent that contains Methyl Ethyl Ketone (MEK). Solvents containing MEK may damage fuel system components.
  4. Remove fuel pressure regulator retaining clip. See Figure. Place shop towel below fuel pressure regulator to catch any spilled fuel. Pull and twist fuel pressure regulator to remove from fuel pressure regulator housing. Remove lower "O" ring, filter, upper "O" ring and back-up ring.
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