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Home >> Lexus >> 1992 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Cold Start Injector (LS400) >> Removal
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Cold Start Injector (LS400): Removal

  1. Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative battery cable and drain engine coolant. Remove air cleaner with airflow meter. Remove throttle body and left side engine wire harness cover. Disconnect ISC valve electrical connector, cold start injector connector, EGR VSV connector and EGR gas temperature sensor connector.
  2. Disconnect power steering idle-up hose from intake chamber. Disconnect brake booster hose from intake chamber. Disconnect PCV hose from EGR adapter, 3 vacuum hoses from air pipe, 2 vacuum hoses from EGR VSV and EGR vacuum modulator hoses. Remove EGR vacuum modulator. Remove air pipe. Disconnect coolant by-pass pipe.
  3. Remove accelerator cable and bracket. Disconnect cold start injector fuel delivery pipe. Disconnect EGR pipe from air intake chamber and remove gasket. Remove 4 bolts, 8 nuts, throttle cable clamp, 2 VSVs, check connector and air intake chamber.
  4. Disconnect cold start injector connector. Remove banjo bolt, cold start injector tube and 2 gaskets. Remove 2 bolts and cold start injector and gasket.
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