What Does It Mean When the Engine Oil Light Comes On?
2 Answers
When the engine oil light comes on, it indicates a fault in the engine lubrication system. The possible causes are: 1. Insufficient oil level; 2. Overheating engine; 3. Damaged oil pump; 4. Incorrect oil selection; 5. Improper clearance between the crankshaft bearings. Engine oil is the lifeblood of the engine. Continuing to drive with this issue can lead to loss of lubrication and severe engine wear. The functions of engine oil include: 1. Reducing friction and high temperatures; 2. Minimizing gas leakage and preventing contamination; 3. Protecting against contact with water, air, and acidic gases; 4. Cushioning pressure surges in the engine cylinders; 5. Cleaning contaminants from engine components.
I've found that the oil pressure warning light usually indicates low oil pressure, which in my years of driving experience is most commonly caused by insufficient oil levels or a faulty oil pump. Once this light comes on, it means the engine may not be receiving adequate lubrication, and continuing to drive poses significant risks, potentially leading to internal engine component wear or even seizure. My old car experienced this situation, and I ignored it at the time, resulting in thousands spent on engine repairs. I recommend immediately stopping to check the oil dipstick—if the level is low, top it up with the same type of oil. If the level is normal, it could be a faulty sensor or a clogged oil passage, so promptly visit a nearby repair shop for inspection. Never force the car to keep running, especially on long highway trips, as sudden engine failure could lead to accidents. Checking the oil level every two weeks as part of regular maintenance is a good preventive measure. A car is like a friend—timely care prevents major troubles.
