What's wrong with Chery qq three-cylinder fare oil?

1. Look at the spark plug first to determine whether there is carbon deposit or uneven combustion. For example, the colors of the three spark plugs are different, which means that the cylinder is missing due to poor combustion. If they are all in good condition, it is recommended to clean the throttle or idle motor to see if the oil filter needs to be replaced. If the gasoline filter needs to be replaced, it is usually replaced every 2-3 km, and the engine air filter needs to be cleaned or replaced at about 1W km.