When the engine fault light is on, the electrical equipment of the engine is usually faulty. You need to use a computer to see what the specific fault code is, and then carry out targeted detection and maintenance. If the car is boring, use the computer to see what the fault code is. Early detection and maintenance will also ensure your driving safety.

In this case, it is also likely that there is too much carbon deposition or the quality of the added oil is problematic, so the combustion is not good, the efficiency is low, and the power is insufficient. You can try to improve fuel to promote combustion and remove carbon deposits. Combustion will completely help improve power.