Can the idle speed of the car be adjusted?

Can be adjusted, can be adjusted to ordinary car dealers. But this is a misunderstanding. Fuel saving is not a problem of idling, it is related to many aspects.

For a car with manual transmission, the shift should be around 1500- 1700 rpm, and never exceed 2000 rpm, that is, the shift should be timely. There is also a relatively high tire pressure in winter.

Automatic idle speed adjustment: it is normal for the car to have a high speed when it is just cold started, and the speed will return to idle speed after the water temperature rises. However, 500 rpm is too low, and the normal idle speed should be 800~900 rpm. The automobile computer should control the throttle opening according to the normal idle speed.

Extended data

Car idle use case

At present, foreign mainstream automobile manufacturers have begun to study idle flameout technology, and have applied this technology to production vehicles. Citroen first applied idling flameout technology to C3 cars.

Citroen idle flameout system is not full-time, but is controlled by the ECO key arranged on the dashboard. When this key is pressed, the idle flameout system starts to work. When waiting for parking, the engine will automatically turn off when you step on the brake pedal for more than 3 s;

When the green light is on or the road conditions improve, the engine will start automatically as long as the brake pedal is pressed. The whole process does not need to touch the shift handle or the ignition switch, and everything is done automatically. What is more rare is that the engine starts faster and more smoothly than ordinary manual ignition.

Baidu encyclopedia: car idling