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Home >> Nissan-Datsun >> 1987 >> Sentra XE, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> ECC CEC System >> Engine Sensors Operation >> Exhaust Gas Oxygen Sensor (O2 Sensor)
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Exhaust Gas Oxygen Sensor (O2 Sensor)

This component measures the amount of unburned oxygen in the exhaust gas. It provides a voltage signal which is used to adjust fuel mixture (amount of injection time), so that proper combustion occurs.