Quote:
Originally Posted by SWFLf10
I've heard of the ambient air temperature sensor failing and causing the car to think it's too cold outside for the ac to safely run. Hopefully it's something as simple as that.
If at all possible try to read any codes present using ISTA.
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If it is the ambient temp sensor, the compressor will not be cycling on and off. You should check the high side pressure, this is a much better indication if the system is over charged. Of course, the most accurate method is to evacuate and find out the weight of the R134a in the system.