Does idling the car with the AC on consume fuel?

1 Answers
WyattLee
07/25/25 12:05am
Yes, it consumes fuel. Here are specific details about idling a car with the AC on: 1. Fuel consumption: When the car is idling with the AC on, it typically consumes additional fuel. For example, if a car normally consumes 10L of fuel, running the AC can increase consumption by around 2L. The impact on fuel consumption varies depending on whether the AC is on and the fan speed setting. 2. Precautions: When the car is idling, incomplete fuel combustion produces a large amount of carbon monoxide. The longer the idling duration, the higher the concentration of carbon monoxide around the vehicle. Prolonged idling can lead to dangerously high levels of carbon monoxide inside the car, which can cause carbon monoxide poisoning or even death if occupants are present, resulting in safety hazards.
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