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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 3) >> System Description >> Component Parts >> Air Fuel Ratio (A/F) Sensor 1 >> Functions Within The System
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Functions Within The System

ECM judges the state of air fuel ratio with this signal, and precisely controls air fuel ratio to match the stoichiometric ratio. Also, the sensor is equipped with heater for maintaining the activated state.

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