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Home >> Lexus >> 1997 >> SC 300 Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Heated Oxygen Sensor >> (Bank No. 1, Sensor No. 2 & Bank No. 2,Sensor No. 2)

(Bank No. 1, Sensor No. 2 & Bank No. 2,Sensor No. 2)

  1. Heated Oxygen Sensor(s) (HO2S) is mounted in exhaust pipe(s) behind catalytic converter, toward rear of vehicle.
  2. Remove components as necessary to access sensor connector. See Figure. Disconnect sensor connector. Raise and support vehicle. When removing sensor(s), ensure permanent pigtail is protected from damage.
  3. Remove sensor(s) from exhaust pipe. Avoid using cleaning solvents of any type. If engine temperature is less than 120°F (48°C), sensor(s) may be difficult to remove.