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Home >> Lexus >> 1994 >> ES 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Oxygen Sensor Operation >> Sub-Sensor
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Oxygen Sensor Operation: Sub-Sensor

If circuit or component is faulty, a trouble code should set. See TESTS W/CODES - OBD-II article in the ENGINE PERFORMANCE section.

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