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What are the reasons for Volkswagen engines consuming engine oil?

1 Answers

DeMary

07/30/25 7:15am

Here are the reasons why Volkswagen vehicles consume engine oil: 1. Valve oil seal. The valve is actually used to prevent engine oil from leaking into the combustion chamber. Over time, it may wear out or age. In severe cases, this can affect the sealing performance of the valve, making it easy for engine oil to burn. 2. Excessive piston clearance. If the car has been used for a long time, carbon deposits will inevitably accumulate on the piston rings. If not cleaned for a long time, the clearance between the piston rings and the cylinder block will increase, causing engine oil to flow into the combustion chamber and resulting in oil burning. In severe cases, this may even lead to engine "cylinder explosion." 3. Driving habits. Frequent rapid acceleration and prolonged high-speed driving (with the engine running at high speeds) can damage the lubricating oil film, leading to poor engine lubrication and wear on certain parts, which also increases the likelihood of oil burning. 4. Engine oil level. If the engine oil level is too high (exceeding the maximum mark), the excess oil can easily enter the combustion chamber (due to excessive internal pressure) and form sticky carbon deposits. Over time, these deposits can become increasingly severe, clogging the three-way catalytic converter holes, causing excessive exhaust emissions, and potentially leading to oil burning.

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