What is the fuel consumption of a 1.6L engine idling with AC on for one hour?

1 Answers
LauraLynn
07/30/25 1:06am
1.6L engine idling with AC on for one hour consumes approximately 1.4-2.5 liters of fuel. Idling with AC on is very fuel-intensive because the compressor relies on the engine's idle operation, leading to incomplete gasoline combustion and carbon deposits. In severe cases, it can also produce toxic substances. Incompletely burned gasoline generates carbon monoxide and other toxic substances. If the car doors and windows remain closed for a long time, exhaust fumes can enter the sealed cabin, accumulating to a level that may cause carbon monoxide poisoning. Introduction to car idling: Idling is an operating condition of a car, referring to the engine running in neutral. The engine speed during idling is called the idle speed. The idle speed can be adjusted by modifying the throttle opening size. When the engine is running, if the accelerator pedal is fully released, the engine enters the idle state. When adjusting the idle speed, the RPM should not fluctuate abruptly, as this can cause premature engine wear. It is best to have the idle speed adjusted at an automotive repair facility. Classification of car idling: Normal idle - when the vehicle is parked and the engine is started, the minimum stable engine speed is called parking idle; Driving idle - when the car is in gear, without pressing the accelerator pedal or releasing it during driving, maintaining the minimum throttle opening, the engine speed matches the parking idle speed, which is referred to as driving idle.
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