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Home >> Oldsmobile >> 1991 >> Cutlass Supreme Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (PFI) >> Fuel Pressure Regulator >> Removal (2.3L, 3.3L, 3.8L & 4.9L)

Removal (2.3L, 3.3L, 3.8L & 4.9L)

  1. Relieve fuel pressure. See FUEL PRESSURE RELIEF (PFI)  under FUEL SYSTEM (PFI). Disconnect pressure regulator-to-fuel rail hose. On 2.3L, remove fuel rail. See FUEL RAIL & INJECTORS  under FUEL SYSTEM (PFI).
  2. On all models, remove pressure regulator retaining bolts. Remove pressure regulator from fuel rail. On 2.3L, remove pressure regulator retainer and seal from fuel rail.
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