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Home >> Oldsmobile >> 1990 >> Cutlass Calais Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Removal & Installation >> Fuel Pressure Regulator >> Removal (3.1L)
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Removal (3.1L)

  1. Relieve fuel pressure. See FUEL PRESSURE RELIEF under FUEL SYSTEM (PFI)  in this article. Remove fuel rails. See FUEL RAIL & INJECTORS  in this article.
  2. Remove inlet and return fuel fittings and gaskets. Remove pressure regulator-to-bracket retaining bolts. Separate fuel rails from pressure regulator.
  3. Remove pressure regulator base-to-fuel rail connector tubes from pressure regulator.