What Are the Hazards of Excessive Engine Oil?

1 Answers
CharlotteMarie
07/30/25 7:36am
The hazards of overfilling engine oil: It can cause the engine speed to rise very slowly during acceleration and may also damage the three-way catalytic converter. Below are some tips for adding engine oil: 1. When adding engine oil, it should be filled between the min and max marks on the dipstick. The oil level should not be below the min mark or above the max mark. If overfilled, some oil can be drained or extracted. 2. Engine oil is known as the lifeblood of the engine. It serves to lubricate, cool, clean, and seal within the engine. Without sufficient oil, the engine cannot operate properly. If the oil level is too low, some parts of the engine may not receive adequate lubrication, leading to increased wear. 3. 99% of engine wear occurs during cold starts. During a cold start, the oil has not yet reached the surfaces of the components that need lubrication, resulting in dry friction and the most severe engine wear. Once the engine starts, the oil pump begins normal operation, and the oil quickly reaches the surfaces of the components needing lubrication, forming a protective film, thereby reducing engine wear.
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