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Home >> Chevrolet >> 2004 >> Impala Base, 3.4 E >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System 3.4L (Introduction) >> Repair Instructions >> Fuel Pressure Regulator Replacement >> Removal Procedure
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Removal Procedure

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Disconnect the fuel pressure regulator vacuum line.
  3. Remove the fuel return pipe from the fuel pressure regulator.
    4. Fig 1: View Of Fuel Return Pipe
    GM22507Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel pressure regulator screw.
  5. 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.
  6. Remove the retainer and the spacer bracket from the fuel rail and discard.
  7. Remove the fuel pressure regulator inlet and the fuel return pipe O-rings and discard.
    8. Fig 2: Removing Fuel Pressure Regulator
    GM21133Courtesy of GENERAL MOTORS CORP.
  8. Inspect the filter screen for contamination, if contaminated replace the fuel pressure regulator.
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