04E906262A Back Lambda Probe Oxygen O2 Sensor For A3 O2 Sensor

04E906262A Back Lambda Probe Oxygen O2 Sensor For A3 . The oxygen sensor has a simple structure, quick response, and is easy to maintain and use. Functionally and quality tested in accordance with the same standards as for equipment parts: For performance and reliability over a long service life. "Oxygen sensors solve jitter, fault lights, exhaust emissions, optimize exhaust and fuel economy, practical and energy-saving. monitor the oxygen content in the engine combustion chamber in real time, so as to adjust the fuel injection, improve fuel economy, reduce fuel consumption and emissions."