1. Throttle cleaning steps and precautions? 2. Classification of engine oil and the meaning of 0W-30?

Clean the throttle with cleaning agent.

1. To remove the accelerator, the first thing to do is to stop the car and wait for the temperature to drop. Find the right position and use the corresponding tools. Don't take off the accelerator by violent means. Loosen all parts and take them off slowly. Otherwise, it will hurt other parts and make the later work more difficult.

2. Clean the interior. If you want to see what's going on inside, let the engine run. You can see a lot of stains coming out. However, there will be brown stains flowing from the inside of the throttle. Do not spray the cleaning agent directly into it, which will combine the spray with the fuel and cause damage.

3. Throttle Cleaning At this time, the removed throttle can be cleaned. Buy professional throttle cleaning products together, so that stains will not remain, but also protect people's health and safety. Wear a mask, gloves and glasses.

The cleaning frequency of throttle valve has a great relationship with car habits and environment.