What Happens When Engine Oil is Insufficient?

1 Answers
PaigeLynn
07/28/25 8:44pm
When engine oil is insufficient, the lubrication effect on the engine is inadequate, increasing friction resistance and accelerating wear on the engine and its components. Prolonged oil deficiency can lead to severe engine overheating, causing malignant mechanical failures in moving parts, reducing the engine's service life, and even resulting in engine failure. Here are the relevant details: 1. The role of engine oil: Engine oil, often referred to as the 'blood' of a car, serves to lubricate and reduce friction, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption. 2. Adding engine oil: If the oil level is low, it can generally be topped up independently. However, it is crucial to ensure that the added oil is of the same brand and type to avoid mixing different oils. Additionally, opened oil containers can be used for topping up if they are less than a year old, but oil older than a year is generally considered ineffective and not recommended for use.
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