Nissan March K13 2010 Front Oxygen Sensor 22690-3TC0A

The pre-cat oxygen sensor monitors exhaust oxygen content and feeds back to the ECU to adjust the air-fuel ratio, ensuring efficient engine combustion. OEM number 22690-3TC0A, fits Nissan March K13 pre-2010 models. Installation difficulty is moderate; ensure thread cleaning and apply anti-seize compound. Common failures include signal delay or heater failure.