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Home >> Lexus >> 1998 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Rails & Injectors >> Removal (GS300)

Removal (GS300)

  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative battery cable. Disconnect noise filter connector. Disconnect engine wire clamp from bracket. Remove bolt, bracket and noise filter. Remove bolts, nuts and intake air connector to air intake chamber.
  2. Disconnect PS, No. 2 vacuum pipe, and ACIS actuator hoses. See Figure. Disconnect accelerator cable. Remove bolt and accelerator cable clamp. Disconnect EVAP hose. Remove bolt and clamp. Remove air intake chamber and gaskets.
  3. Remove No. 2 vacuum pipe-to-intake manifold nut. Remove fuel inlet pipe-to-intake manifold bolt. Remove fuel pressure pulsation damper and gaskets. See FUEL PRESSURE PULSATION DAMPER .
  4. Disconnect injector connectors. Disconnect Camshaft position sensor, throttle position sensor and EVAP vacuum switch valve connectors. Remove bolts and fuel rail along with injectors. Remove injectors from fuel rail. Remove "O" rings, grommets and insulators from injector. Remove spacers from intake manifold.
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