What are the signs that indicate an oil change is needed?

1 Answers
Carmen
07/30/25 9:51am
The signs indicating an oil change is needed: Increased engine noise during operation: The car's engine noise will become louder, which is caused by the thinning of the engine oil. Additionally, the engine oil pressure warning light may illuminate due to the low oil pressure resulting from the thinning of the engine oil. Unusual odor from the oil: The oil turns black and contains impurities. If the oil deteriorates, it will emit a strong, unusual odor. Thinning of the oil: Engine oil needs to be changed regularly. If not changed for a long time, the oil will experience a decrease in viscosity and oxidation deterioration. During normal engine operation, the oil forms a thin film on the surfaces of various engine components, reducing wear and friction resistance between the parts.
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