How about the throttle opening, adjusting screw?

The throttle opening screw can be adjusted as follows: 1, and the adjusting screw * * * has two positions, one is the idling adjusting screw to adjust the throttle opening;

You will see that this screw is facing the accelerator. As soon as the throttle is turned on, the idle speed will of course increase;

3. The second one is another one called CO adjusting screw. The screw is located in the idle oil passage. The mixture concentration can be adjusted, which will affect the stability of the engine when the car is idling, and can be adjusted according to your own needs.

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