Oxygen sensor for Renault Twingo C3G

The oxygen sensor is a key element of the engine management system of the Renault Twingo equipped with the C3G engine: it measures the oxygen content of the exhaust gases and allows the fuel injection to regulate the air-fuel mixture. In the context of restoring or maintaining a classic vehicle, its replacement becomes necessary when it shows signs of wear, fouling or wiring deterioration. A faulty sensor can cause excessive fuel consumption, irregular idling, hesitation on acceleration or illumination of the engine warning light. Replacing this part helps restore proper engine operation and keep the vehicle in its original condition.