How to adjust the idle speed of Chang 'an EFI car?

The idle speed of the car can be adjusted to a suitable range by itself, and the idle speed of the EFI car can only be adjusted by computer. The idling speed of EFI vehicles is generally controlled by the driving computer. If adjustment is needed, professionals must be asked to modify the data of the driving computer.

How to adjust the idle speed of EFI vehicles

If the idle speed of the car is too high, the fuel consumption will increase; If the idle speed of the car is too low, the automatic start of the manual gear is easy to turn off. Idle speed adjustment of EFI engine is generally divided into two types, one is adjustable, for example, the throttle of Mitsubishi system is generally designed with adjusting screws.

There is another kind that is not adjustable, and the idle speed has been designed in the program and cannot be adjusted. If the software supports it, some models can be adjusted with special equipment. For example, in the mass system, the idle speed can be adjusted by instruments. Only the ignition time can be adjusted to control the speed. It is best to have a timing light or computer to cooperate, otherwise the car may be injured, and the car may be weak after adjustment.

When adjusting, loosen the fixing screw of the distributor base, rotate the ignition clockwise, and rotate the ignition counterclockwise to ignite in advance. Adjust to the proper position detected by the detection equipment and tighten the fixing screws.

1. At present, the idle speed of the engine is adjusted by the engine computer and cannot be adjusted manually. If you want to adjust the idle speed, you can go to the 4S shop and use the computer to adjust it. Note: If the engine idle speed is too high or unstable, the throttle body or idle speed control valve must be cleaned to solve it.

Idle speed is a working state of the car, which means that the engine is running in neutral. The engine speed at idle speed is called idle speed. Idle speed can be adjusted by adjusting the size of air door. Idle speed means that the engine is "not working".