Why Do Cars Burn Engine Oil?

1 Answers
SanAdam
07/29/25 2:27pm
There are several reasons why a car may burn engine oil: 1. Normal wear and tear, which is a common occurrence after the vehicle has been driven for a certain mileage. Typically, this happens around 200,000 kilometers, but the lifespan of the engine can vary significantly depending on the type of vehicle, driving habits, and regional conditions. Vehicles that exceed a certain age or mileage should undergo maintenance to address normal wear. 2. A clogged engine exhaust pipe can cause excessive pressure in the oil chamber, leading to some oil leaking into the combustion chamber and burning. 3. Wear on the cylinder liner and pistons can increase the gap in the cylinder wall, allowing some oil to enter the combustion chamber and burn, resulting in oil consumption. 4. Aging or damaged valve seals can also allow oil to enter the combustion chamber, particularly if the intake valve seals are worn or damaged, making it easier for oil to burn in the combustion chamber.
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