What Causes the Peugeot 4008 to Burn Engine Oil?

1 Answers
AliviaDella
07/30/25 9:34am
Peugeot 4008 burning engine oil can be attributed to the following reasons: Valve Oil Seal: The valve is designed to prevent engine oil from leaking into the combustion chamber. However, over time, wear and tear or aging can occur, which may severely affect the valve's sealing performance. This can easily lead to the phenomenon of burning engine oil. Therefore, if the valve oil seal is problematic, it should be replaced promptly. Excessive Piston Clearance: With prolonged use of the vehicle, carbon deposits from incomplete combustion may accumulate on the piston rings. If not cleaned regularly, this can enlarge the gap between the piston rings and the cylinder wall, allowing engine oil to seep into the combustion chamber and cause oil burning. In severe cases, it may even lead to engine "seizure." Thus, regular carbon deposit cleaning is crucial as an effective measure to prevent engine oil burning.
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