How Long Can You Drive With Only 10% Oil Life Left?

1 Answers
DeNorah
07/30/25 12:03am
If the oil life is only 10% left, it is best not to drive anymore and change the oil immediately. If the oil is not changed, it will cause serious damage to the engine. The degradation of oil performance is most closely related to the loss of additives, fuel dilution, carbon deposits, sludge contamination, increased moisture, and changes in pH value. Below is relevant information about engine oil: 1. Oil change interval: Domestic manufacturers usually require car owners to change the oil every 5,000 kilometers or six months, while some brands may require changing it every 7,500 kilometers or six months. These figures are clearly rigid indicators and do not take into account the actual vehicle usage conditions, so manufacturers tend to set the maintenance interval earlier to fully ensure vehicle safety. 2. Functions of engine oil: Lubrication and wear reduction: There is rapid relative sliding between the piston and cylinder, as well as between the main shaft and bearing shells. To prevent excessive wear of parts, an oil film needs to be established between the two sliding surfaces. A sufficiently thick oil film separates the surfaces of the relatively sliding parts, thereby reducing wear. Cooling: Engine oil can carry heat back to the oil tank and then dissipate it into the air, helping the radiator cool the engine.
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