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How many kilometers can you drive without repairing an engine that burns oil?

2 Answers

Jaxon

07/29/25 2:25pm

If the engine burns oil and is not repaired, the car can generally continue to drive as long as there is sufficient engine oil. Hazards of engine oil burning: If a car burns oil but is not repaired, it can cause the oxygen sensor to fail prematurely, leading to increased carbon deposits in the combustion chamber, unstable idling, poor acceleration, increased fuel consumption, excessive exhaust emissions, and other adverse effects. It can also cause blockage of the three-way catalytic converter, and in severe cases, the engine may be scrapped. Hazards of continuously adding oil without changing it when burning oil: Continuously adding oil without changing it when the engine burns oil is also not advisable. Burning oil increases carbon deposits, and the oil contains impurities, making it more prone to deterioration. If the oil burning is severe, the oil should be replaced immediately. During replacement, it is also necessary to clean the engine and remove carbon deposits.

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RachelFitz

08/13/25 6:44am

If the engine burns oil and isn't repaired, it won't last long. The worst case I've seen is the dashboard warning light coming on after just 3,000 kilometers. In fact, from the first drop of oil burned, the cylinder walls and piston rings start damaging each other. The spark plugs get coated with carbon deposits, black smoke puffs out, and the exhaust fumes are choking. Some people stubbornly push on for tens of thousands of kilometers, only to have the connecting rod punch through the cylinder block on the road - the towing fee ends up costing more than an overhaul. From experience, burning half a liter per 1,000 kilometers is already a serious condition - such cars will definitely break down within another 5,000 kilometers. Especially for turbocharged engines - if the oil level is low, the turbo bearings will glow red in no time. With the new national standard oxygen sensors being extremely sensitive, oil-burning vehicles simply can't pass annual inspections now.

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