Where is the oil sensor located on the Audi A3?
1 Answers
Audi A3 oil sensor is located above the oil filter housing. Function of oil sensor: The oil sensor can detect oil pressure and send an alarm signal when the pressure is insufficient. When oil pressure is insufficient, the oil warning light on the dashboard will illuminate. Common causes of low oil pressure warnings include: faulty oil pressure sensor, insufficient oil level, clogged oil pump screen, or damaged oil pump. Structure of oil sensor: The oil pressure sensor consists of a thick-film pressure sensor chip, signal processing circuit, housing, circuit board mounting device, and two leads. The signal processing circuit includes power supply circuit, sensor compensation circuit, zero adjustment circuit, voltage amplification circuit, current amplification circuit, filtering circuit, and alarm circuit.