For A6 2002-2008 Car Lambda Sensing Unit O2 Probe Oxygen Sensor 0258006305

Compatibility：For A6 2002 2003 2004 2005 2006 2007 2008 Installation: If the fault indicator light remains illuminated after fitting this oxygen sensor, you may need to use a diagnostic tool to clear the fault codes or check for other related faults. The vehicle can be used normally once all issues have been resolved. Function: By optimising the combustion process, the oxygen sensor reduces the formation of particulate matter in the exhaust, helping to keep the exhaust system clean and lowering the risk of blockages and faults. 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.