What should I do if the car burns engine oil? How much is the maintenance fee?

Engine oil burning in cold car: when the temperature of the car is not fully warmed up, a large amount of blue smoke comes out from the exhaust pipe of the engine, but it is normal after hot car. This phenomenon is caused by the aging of the valve oil seal. Due to the temperature drop, the rubber valve oil seal becomes stiff and cannot be completely sealed, and the above phenomenon occurs after the oil leaks from the valve to the combustion chamber for combustion. Solution: Remove the engine cylinder head and replace the valve oil seal (please rest assured that this is a medium repair project. The maintenance time is about 4-5 hours. The cost is in 800 yuan-1200 yuan, depending on your car).

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Hot car burning engine oil: after the car reaches normal temperature, the exhaust pipe still emits blue smoke, indicating that the piston ring has poor sealing. Due to the poor sealing of the piston ring, the oil directly enters the combustion chamber through the leakage of the piston ring under the action of the oil pump, and the exhaust pipe emits blue smoke. There are many reasons for this phenomenon, such as material aging, carbon deposit blockage, excessive wear of cylinder liner and so on.