What Happens When a Car Engine Has Insufficient Oil?

2 Answers
DelAshlyn
07/28/25 9:14pm
Insufficient engine oil can lead to poor lubrication of the friction surfaces within the engine, resulting in abnormal vibrations and reduced power output. In severe cases, it may even cause engine bearing seizure. Additional relevant information is as follows: 1. Engine bearing seizure refers to the burning and erosion of the crankshaft bearings and bearing bushings due to inadequate lubrication. This condition manifests as abnormal engine vibrations, eventually leading to engine stalling, after which the engine cannot be restarted. 2. Engine oil is a substance enhanced with additives in a base oil, primarily containing anti-wear additives, detergents, dispersants, and multi-grade oil viscosity index improvers. 3. Engine oil is used for lubricating internal combustion engines. Its main functions are to reduce friction and wear of moving parts and to remove sludge and varnish deposits from the engine.
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VonLyla
08/12/25 1:54am
I've been driving for many years, and I remember one time when the engine suddenly started making a loud noise on the road. Upon inspection, I found the oil level was critically low, almost empty, which scared me into stopping immediately. Insufficient oil leads to inadequate engine lubrication, increased friction, and a rapid rise in temperature, causing accelerated wear on metal components like pistons and crankshafts. Over time, this can lead to overheating and stalling, or even cylinder seizure, with repairs costing thousands. Now, I've made it a habit to check the dipstick every two weeks, topping up or changing the oil promptly if the level is low, to avoid unexpected breakdowns affecting my trips and to extend engine life, ensuring driving safety.
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