28. The control lamp does not light up when the key is turned to the «I»
1. Faulty oil pressure sensor. Turn on the ignition, disconnect the wire from the sensor and short it to «mass», - if the lamp lights up, replace the sensor.
2. The sensor is not energized, the contacts are corroded, - check the condition of the corresponding electrical wiring.
3. The control lamp is faulty.
4. Faulty instrument cluster.
29. The control lamp is activated after starting the engine
1. The oil level has dropped.
2. There is a short circuit in the wiring of the oil level sensor.
3. Faulty sensor.
30. Too low oil pressure at all speeds
1. The oil level has dropped.
2. Clogged oil pickup strainer in sump.
3. Worn oil pump.
4. Damaged crankshaft bearings.
31. Too low oil pressure at low speeds
1. Worn crankshaft bearings.
2. Low viscosity of engine oil, dilution of oil due to strong heating, natural dilution of oil during operation or ingress of coolant into it. Check the condition of the oil immediately!
3. Low engine oil level.
32. Too high oil pressure at engine speeds above 2000 rpm
Note: Oil pressure is measured using a special device, usually during maintenance work.
1. The system is filled with high viscosity oil.
2. Faulty/dirty pressure reducing valve.
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