What are the consequences of insufficient engine oil?

1 Answers
LeIsla
07/29/25 8:56pm
When the engine oil is insufficient, the lubrication effect on the engine is inadequate, increasing friction resistance and accelerating the wear of the engine and its components. Here is the relevant introduction: The role of engine oil: Engine oil, known 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 for the engine. Adding engine oil: If the engine oil is low, you can generally top it up yourself. However, the added oil must be the same brand and type, and mixing different oils is not allowed. Additionally, opened engine oil can be used for topping up if it is less than a year old, but oil older than one year is generally considered ineffective and is not recommended for use.
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