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Home >> Lexus >> 1996 >> LX 450 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Pressure Regulator >> Installation
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Fuel Pressure Regulator: Installation

  1. To install, ensure lock nut is fully screwed onto fuel pressure regulator. Install NEW "O" ring on fuel pressure regulator. Coat "O" ring with gasoline.
  2. Screw fuel pressure regulator fully into fuel rail. Rotate fuel pressure regulator counterclockwise until hose fittings aligned with fuel rail and pointing inward toward center of fuel rail. Tighten fuel pressure regulator lock nut to specification. See TORQUE SPECIFICATIONS  table.
  3. Reconnect vacuum hose and fuel return hose. Operate fuel pump and check for fuel leaks. See FUEL PUMP OPERATION in BASIC TESTING article.
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