What is the reason for the idle speed not increasing when the air conditioner is turned on?

[Robinson]

If the idle speed does not increase and there is no shaking when the air conditioner is turned on, it indicates that the car has no faults. Below is a detailed introduction to car idle speed: 1. High idle speed: The harm of high idle speed is increased fuel consumption, higher engine operating temperature, and increased machine wear. 2. Low idle speed: The harm of low idle speed is that the car is prone to stalling when starting. Frequent starts can damage the engine and starter. Additionally, low idle speed may also cause the vehicle to stall while driving, and long-term low idle speed can easily lead to carbon deposits in the engine cylinders, resulting in weak acceleration. 3. Prerequisites for adjusting idle speed: The engine temperature is normal, the valve clearance is appropriate, the ignition system is in normal condition, all pipelines are well sealed, the choke is fully open, and the throttle can close tightly.