Why Does the Car Shake When the Air Conditioner is On?

[MacLaura]

Here are the reasons why a car shakes when the air conditioner is on: 1. Carbon deposits on the spark plugs; 2. Carbon deposits on the intake valves; 3. Poor fuel quality. Areas to check when the car shakes with the air conditioner on: 1. Check the high and low pressure of the air conditioner, as excessive pressure can cause a sudden increase in engine load; 2. Check the engagement of the air conditioner's electromagnetic clutch; 3. Check if the air conditioner radiator is clogged with dirt; 4. Check if there is too much refrigerant. Additional solutions for car shaking with the air conditioner on: 1. Clean or replace the spark plugs to remove carbon deposits; 2. Clean the carbon deposits on the intake valves; 3. Use higher quality fuel.