P0131 – O2 Sensor Circuit Low Voltage Bank 1 Sensor 1: The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared ...
The zirconia oxygen sensor provides a feedback signal for stoichiometric air-fuel ratio (A/F) control of an engine. Precise control of A/F within ± 1% of the stoichiometric point is required for ...
A closed loop control system for regulation of engine air-fuel ratio at the stoichiometric value is required for effective operation of a three-way catalytic converter. System performance depends ...
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