Is the accelerator cleaner useful?

Throttle cleaner has a certain effect, but it is best to go to 4s shop or repair shop to clean the throttle for the following reasons: 1, 4s shop has a special business for this cleaning project. If the car only drives 20 thousand kilometers without cleaning the valve, Lala Expressway may be improved. 2. In fact, the purpose of pulling the high speed is to remove the carbon deposit on the valve. Irregular speed increase can reduce the carbon deposition on the engine, so that the engine can run at a high speed of 4000-5000 rpm, and its high pressure impacts the gum accumulated on the valve of the cylinder block, which can prevent and reduce the carbon deposition on the engine. 3. There are many processes to clean the throttle, and the steps are complicated, so you need to be careful.