This Lambda Sensor, part code 9821120980, is a direct replacement for your PEUGEOT or CITROEN vehicle. It plays a crucial role in your car's emission control system by measuring the amount of oxygen in the exhaust gases. This data is then used by the engine control unit (ECU) to adjust the fuel injection, ensuring the optimal air-fuel ratio for efficient combustion. Proper functioning of the Lambda Sensor is vital for maintaining fuel economy, reducing harmful emissions, and preventing potential engine damage. A faulty sensor can lead to increased fuel consumption, rough idling, poor acceleration, and illuminated check engine lights. Replacing a worn-out sensor with a genuine PEUGEOT/CITROEN part guarantees compatibility and performance. This sensor is engineered to meet the strict quality standards set by PEUGEOT/CITROEN, ensuring durability and reliable operation under various driving conditions. Trust in genuine parts to keep your vehicle running smoothly and efficiently, while adhering to environmental regulations.
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