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Home >> Oldsmobile >> 1991 >> Toronado Base >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (PFI) >> Fuel Pressure Regulator >> Removal (3.1L & 3.4L)

Removal (3.1L & 3.4L)

  1. Relieve fuel pressure. See FUEL PRESSURE RELIEF (PFI)  under FUEL SYSTEM (PFI). Remove upper manifold or intake manifold plenum. On 3.1L models, remove fuel rails. See FUEL RAIL & INJECTORS  under FUEL SYSTEM (PFI).
  2. On all models, remove inlet and return fuel fittings and gaskets. Remove pressure regulator-to-bracket retaining bolts. Separate pressure regulator from fuel rail.
  3. Remove pressure regulator base-to-fuel rail connector tubes from pressure regulator.
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