Why is the gasoline four-wheel drive Ruiqi 6 boring?

The gasoline four-wheel drive Ruiqi 6 car is boring, depending on how many kilometers it has driven. If the car travels more than 30,000 kilometers, the throttle of the car is too dirty or the spark plug is not replaced in time. It is recommended to check whether the spark plug needs to be replaced and whether the throttle needs to be cleaned. In addition, insufficient engine cylinders, faulty oxygen sensors and unclean gasoline filters will all lead to the problem of stuffy cars.