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Oxygen Sensor

  1. Disconnect wiring from sensor. On Porsche 911SC, remove left rear wheel and protector plate. Remove shield from sensor if equipped. Remove sensor.
  2. Coat threads of new sensor with anti-seize compound. Take care not to get compound into slots on end of sensor. Install sensor and tighten to 25-30 ft. lbs. (3.5-4.1 mkg). Refit shield and connect sensor wire.
    NOTE: For Oxygen Sensor Maintenance Light resetting procedure see appropriate manufacturer article in EXHAUST EMISSION SYSTEMS Section.
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