What Happens When a Car Lacks Engine Oil?

1 Answers
OCharles
07/30/25 10:21am
Engine oil, serving as the lubricant for automobiles, forms an oil film on the surfaces of various components, thereby reducing friction and wear in the engine, and fulfilling roles in lubrication and sealing. Engine oils can be categorized by quality and performance into full synthetic oil, semi-synthetic oil, and mineral oil. Insufficient engine oil in a car can lead to the following four consequences: 1. It can cause inadequate lubrication of the engine, increasing engine wear. Prolonged lack of engine oil may result in engine seizure. 2. It can trigger the engine oil level warning light to illuminate during driving. 3. It can lead to excessively low oil levels, causing abnormal noises such as valve tapping. 4. It may necessitate topping up the engine oil before the scheduled oil change interval.
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