A peculiar case such as this that links to the engine itself should not be taken lightly, however, in this scenario, just a quality car service might be enough to get your AC up and running. Paying attention to the little details can sometimes prove to be essential in getting to the bottom of a problem. This in turn causes a drop in the air conditioner’s capacity to work normally and produces a low cooling effect especially when the RPM drops. As the engine is not performing ideally, it isn’t able to deliver the adequate amount of energy to the AC system as is needed. Overheating EngineĪn overheating engine is known to bring a host of problems, one of them can be a reduction in cooling. A halt in cooling while idling can possibly be due to a blown fuse or broken fans caused by the debris strike. If you find yourself idling without proper cooling after a particularly windy day, it could indicate damage to the air conditioning system. Issues of this nature that are caused by foreign objects can have a number of adverse effects on the system and should be handled by experts with proper inspection. Obstructions in the condenser or breakage of the cooling fans are among the two big problems caused by the debris. A broken condenser might malfunction when there is a cut back in power as when the car is idling or running the AC purely on the battery.Ĭontaminant or any kind of debris entering into the system is a common problem for car ACs as they are located at the front of the vehicle. If the condenser has gone bad, it will not be able to process the freon and produce cool air. It works to turn the freon gases back into liquid form. The condenser is primarily responsible for ensuring cool air from the AC vents. ![]() ![]() If the car is moving, the air conditioning system will not require a secondary cooler. Your car AC relies heavily on the motor fans to circulate the flow of freon when the car is at rest. If your car ac pauses the flow of air when idling but turns back on when you begin to move, the first place you should turn your eyes is the motor fans. This is another reason for a car AC not blowing cold when idling. A standstill engine combined with a low amount of freon will render the compressor unable to circulate enough refrigerant both due to low power and low freon. The compressor circulates freon in the AC system to cool the cabin and it is able to do it best when the vehicle is in motion due to the amount of power it is able to draw from the engine. You may also notice a similar drop in cooling from a leak when idling. A significant drop in the refrigerant levels is usually caused by a leak and it can be actually noticed assessing a sharp decline in the cooling performance.
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