What are the effects of turning on the air conditioning without starting the car?
1 Answers
Turning on the air conditioning after starting the engine has almost no impact on the car, but it is not advisable to let the engine idle for extended periods, as this can lead to increased carbon deposits in the engine. Carbon deposits are formed when the combustible air-fuel mixture in the engine does not burn completely, and they can cause significant harm to the engine. 1. Turning on the car's air conditioning: This generally refers to using the cooling function in summer. When the cooling function is activated, the engine control unit increases the engine speed by about 100 RPM. This increases the engine's air intake, which in turn increases fuel injection, resulting in a richer air-fuel mixture. A richer mixture can lead to incomplete combustion of gasoline. Prolonged idling with the air conditioning on can cause an increase in carbon deposits, making the engine less fuel-efficient. 2. Additional information: After turning on the air conditioning, the engine works to reduce the heat from the air conditioning condenser, causing the cooling fan to operate continuously. If there are issues with the cooling or heat dissipation systems, it can lead to high engine coolant temperatures, which may adversely affect the engine. Prolonged idling with the air conditioning on in poorly ventilated areas or garages can also pose a risk of carbon monoxide poisoning for occupants inside the car.
