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Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  3. Disconnect the engine wiring harness from the retaining clips at the front of the engine.
    4. Fig 1: Disconnecting/Connecting Fuel Pressure Regulator Vacuum Line
    GM730808Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the fuel pressure regulator vacuum line.
  5. Clean any dirt from the fuel pressure regulator and the surrounding area.
  6. Disconnect the fuel return pipe. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  7. Remove the fuel return pipe retainer.
  8. Remove the fuel pressure regulator retainer.
  9. Remove the fuel pressure regulator.
  10. Inspect the regulator filter screen for contamination. If contaminated, replace the fuel pressure regulator.
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