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What is the reason for the engine oil being consumed within a month after being added?

1 Answers

MilesDella

07/29/25 10:44pm

Engine oil being consumed within a month after being added is due to the phenomenon of oil burning in the car. The reasons and solutions for oil burning are as follows: Reasons for oil burning: Valve oil seal: The valve is actually used to prevent oil from leaking into the combustion chamber, but over time, wear or aging will occur. This affects the sealing of the valve, leading to oil burning. If the valve oil seal is problematic, it should be replaced promptly. Excessive piston clearance: When a car has been used for a long time, carbon deposits from incomplete combustion will adhere to the piston rings. If not cleaned for a long time, the clearance between the piston rings and the cylinder wall will expand, causing oil to flow into the combustion chamber, resulting in oil burning and even engine "knocking." Therefore, regular carbon cleaning is very important and an effective way to prevent oil burning. Driving habits: Frequent sudden acceleration and prolonged high-speed driving (high engine speed) can easily damage the lubricating oil film, leading to poor engine lubrication and wear of some parts, which also has a certain probability of causing oil burning. In daily driving, pay attention to your driving habits and avoid aggressive driving. Oil quantity: If the oil quantity is too much (exceeding the maximum mark), the excess oil can easily enter the combustion chamber (due to excessive internal pressure), producing gummy carbon deposits. Solutions for oil burning: You can appropriately choose to add higher viscosity engine oil to increase the sealing between the engine piston and cylinder wall. The ultimate solution to completely resolve oil burning is to conduct a thorough inspection and repair of the vehicle to address the root cause.

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