Why does the fault code keep appearing after changing the engine oil?

[JeremiahRose]

If the fault code keeps appearing after changing the engine oil, it may be due to oil incompatibility. It is recommended to try a different engine oil. Here is some extended information about engine oil: Increased fuel consumption: When adding engine oil, the oil level should be between the upper and lower marks on the dipstick. If too much oil is added, the engine temperature will rise, causing the oil to expand in volume. This increases the pressure in the oil chamber and the running resistance, leading to reduced power and increased fuel consumption. Overfilling engine oil: If too much oil is added, the crankcase breather pipe may leak oil, and the increased pressure in the crankcase can cause the oil seal to loosen under the pressure, resulting in oil leakage.