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What are the reasons for severe oil burning in the A6?

1 Answers

SanEleanor

07/30/25 2:28am

a6 severe oil burning reasons are: 1、Use of poor quality or viscosity grade does not meet the requirements of the oil; 2、The matching gap between the piston ring and the cylinder wall is too large, the piston ring is improperly installed or the sealing performance is deteriorated, and the oil on the cylinder wall enters the combustion chamber, causing the phenomenon of oil burning; 3、Excessive oil filling caused by oil burning; 4、Oil leakage from the turbocharger and valve oil seal. Take the 2020 Audi a6l as an example, it belongs to the medium and large car, the body size is: length 5038mm, width 1886mm, height 1475mm, wheelbase is 3024mm, fuel tank capacity is 73l.

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