How to solve the dirty throttle of Fox?

There is no other way but to wash the throttle.

Usually be careful not to be high-end and low-speed. If it is a manual shift, try to shift gears between 2500 and 3000, so it is not easy to accumulate carbon. Don't think it will damage the car. Fox likes "violence", not too gentle. High-speed engines can't pull up the high speed regularly, except 1, 2nd gear and 5th gear. Fox is most afraid of driving, which not only consumes oil but also easily accumulates carbon, and the throttle is also easy to get dirty.

The same is true for automatic transmission. Don't be reluctant to part with oil. Fu Xiao is much more important than oil. Run at high speed when the oil is deep, and pull it up like a manual gear.