How Long Can a Car with Oil Burning Continue to Run?
3 Answers
When experiencing oil burning, the car can generally continue to run as long as there is sufficient oil in the engine. However, if the oil burning is severe, it is recommended to perform repairs as soon as possible, as this can both save on oil consumption and protect the components. The decision to repair an oil-burning car can be based on the severity of the issue. Normal oil consumption is typically around 0.5L per 1000 kilometers or less. If the consumption exceeds this value, repairs are necessary. Causes of oil burning in cars: 1. Valve seals: Valves are designed to prevent oil from leaking into the combustion chamber, but over time, they can wear out and age, leading to poor sealing and allowing oil to enter the combustion chamber. 2. Piston clearance: After prolonged operation, carbon deposits can form on the pistons, and wear can also occur. Over time, the piston clearance increases, making it easier for oil to enter the combustion chamber. This is why it is often recommended to switch to a higher viscosity oil as the vehicle ages. 3. Oil viscosity: If the oil viscosity is too low, oil burning can also occur. Low-viscosity oil has better fluidity, making it easier to seep into the cylinder and participate in combustion. 4. Oil quantity: If there is too much oil, the oil pressure can become excessive, forcing some oil into the cylinder and resulting in oil burning.
How long a car with oil burning can last actually varies from person to person, depending on the severity of the condition. In my driving experience, if it's just minor oil burning, regularly topping up the oil can keep it running for weeks or even months without major issues. However, it's essential to develop a habit of checking the oil dipstick every time you refuel and topping it up if it's low. Using slightly thicker oil can help reduce wear. If the problem is severe, such as rapid oil consumption or blue smoke coming out, it might indicate damaged piston rings or valve seals, which is a red flag—the engine could fail at any moment. Ignoring repairs can lead to overheating and engine seizure, resulting in total failure. I recommend getting it checked by a professional shop as soon as possible to avoid higher costs later. Daily commuting might still be manageable, but avoid long trips or high-speed driving. My old car ran like this for three months before I finally got it fully repaired for peace of mind. In short, oil burning isn't a death sentence—the key to extending driving time lies in diligent maintenance and careful attention.
As a daily driver, I think a car burning oil can still run for a while, but it depends on the budget and frequency. For my daily commute, after noticing the oil consumption issue, I started checking the oil level every time I refueled and topped it up promptly when low. This can sustain the car for a month or longer. Adding oil doesn't cost much, just a couple hundred yuan, which is much cheaper than immediately repairing the engine. However, if the problem worsens—like a sudden spike in oil consumption or increased engine noise—you might only have a week or two before serious trouble. Not fixing it carries risks: leaking oil can contaminate other components, and clogged spark plugs can lead to breakdowns. Safety first—don't risk driving with family or on long trips. I once drove a car burning oil for over two months before finally deciding to replace parts. My advice: prioritize diagnosing the cause, try additives as a temporary fix, but don’t rely on them permanently.
