What Causes Slight Vibration When the Car Air Conditioner is On?

[DeJosie]

The reasons for slight vibration when the car air conditioner is on are: 1. Severe carbon buildup in the engine cylinders; 2. Fuel supply system malfunction, unstable oil pressure; 3. Aging engine mounts; 4. Engine misfire or cylinder failure. Solutions for slight vibration when the air conditioner is on: 1. Clean carbon deposits from the engine; 2. Check the fuel supply system for malfunctions; 3. Replace the engine mounts. Functions of the car air conditioner: 1. Achieves cooling effect through the continuous phase change cycle of refrigerant; 2. Removes dust, odors, smoke, and toxic gases from the car's interior air, freshens the air, humidifies the interior air, and increases the relative humidity of the interior air.