Genuine OEM Audi Flue Gas Temperature Sensor, part number 04L906088E. This sensor is designed to accurately measure the temperature of exhaust gases, providing critical data to the engine control unit for optimal combustion and emissions management. It is typically located within the exhaust system, often before or after the catalytic converter. Weighing 0.117 kg and measuring 0.28 m in length, this sensor is built to factory specifications. Choosing a genuine OEM sensor ensures precise calibration and signal characteristics, which are vital for reliable engine operation and preventing false diagnostic codes.