For Chevy Sonic 2012-2016 Car Lambda Sensing Unit Air Fuel Ratio Sensor O2 Oxygen Downstream 55572216

Compatibility：For Sonic 1.4l 1.8l l4 2012 2013 2014 2015 2016 Function: The voltage signal output by the oxygen sensor is used to assess the state of the air-fuel mixture based on voltage fluctuations, enabling corresponding fuel adjustments. Installation: When fitting this oxygen sensor, assure that the moisture-proof cap or sealing ring on the connector is intact and that the connection is properly sealed after insertion, to reduce the risk of short circuits caused by rainwater or water from car washes seeping in. Please note: Before purchasing, please check that the make, model, year and engine type of your vehicle match those listed, to avoid installation failures due to incompatible specifications. After-sales service: Should you encounter any issues whilst using the product, please let us know and we will provide a solution without delay.