Where is the oil pressure sensor located on the Passat 1.4T?

1 Answers
VanSophia
07/29/25 9:52pm
The oil pressure sensor on the Passat 1.4T is positioned at three-quarters height on the front of the engine, installed on the main oil gallery. It is located near the oil filter. Function of the oil sensor: The oil sensor monitors oil pressure and triggers a warning signal when the pressure is insufficient. If oil pressure is too low, the oil warning light on the dashboard will illuminate. Common causes of low oil pressure warnings include a faulty oil pressure sender, insufficient oil level, clogged oil pump screen, or a damaged oil pump. Working principle of the oil sensor: When the engine is running, the pressure measurement device detects oil pressure, converts the pressure signal into an electrical signal, and transmits it to the signal processing circuit. After voltage and current amplification, the amplified pressure signal is connected to the oil pressure gauge via a signal wire.
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