For C&itroen C4 2004-2011 Vehicle Oxygen Sensing 4 Wire Sensor Lambda OEM 0258006185

Compatibility：For C4 2004 2005 2006 2007 2008 2009 2010 2011 Function: By optimising the combustion process, the oxygen sensor reduces the build-up of carbon deposits within the engine, helping to keep the engine clean and extending the service durability of the engine and associated components. Installation: Once this oxygen sensor has been fitted, hold out an idle test by running the engine for a few minutes to observe whether the sensor enters closed-loop function normally. Only drive the vehicle once you have confirmed that everything is functioning correctly. 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.