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Is it okay to leave the car idling with the air conditioning on?

1 Answers

Gordon

07/30/25 7:58am

It is acceptable to leave the car idling with the air conditioning on while parked. Below are specific details about idling with the air conditioning on: Increased fuel consumption: Idling with the air conditioning on can increase fuel consumption by 1-2 liters compared to driving normally without the air conditioning. Principle: When the air conditioning is turned on in the summer, the air conditioning compressor needs to work to cool. The compressor cannot operate on its own; it relies on the engine to drive it, which consumes a portion of the engine's power. This is why using the air conditioning for cooling affects fuel consumption. There are many reasons for increased vehicle fuel consumption, and air conditioning cooling is one of them. Other factors include engine carbon buildup, abnormal spark plugs, low tire pressure, etc., all of which can lead to higher fuel consumption.

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Is it normal for antifreeze to turn yellow?

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