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Why does the Passat Lingyu report oil pressure?

1 Answers

MacAurora

07/30/25 10:55am

The Passat Lingyu reporting oil pressure usually indicates low oil pressure, and it is necessary to check the oil pressure. Reasons for low oil pressure: Insufficient oil volume; Wear or damage to the oil pump; Engine overheating causing oil aging and deterioration; Clogged oil pickup; Damage or improper adjustment of the pressure relief valve; Oil cooler leakage; Oil viscosity too low; Malfunctioning pressure sensor or clogged oil passages; Clogged oil filter; Increased clearance between main bearings and connecting rod bearings; Malfunctioning oil pressure display device. Engine oil, also known as engine lubricant, serves to lubricate and reduce friction, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption. Methods to diagnose low oil pressure: Remove the sensor wire, turn on the ignition switch, and observe the oil gauge needle when the wire is grounded to the cylinder block. If it does not move or moves slightly, the oil gauge is faulty or the wire connection is poor. If it rapidly rises to the top, the oil gauge is functioning properly.

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