2017 Ford Fusion AC stops blowing cold?

We have a 2017 Ford Fusion with just under 41,000 miles. It will blow cold air, but then after a little bit it will stop and just blow hot air (it's hot where we live). Then sometimes it'll go back to blowing cold but by that time we're cooking! Any ideas what the problem could be? I've had luck here in the past getting mechanical help, so we wanted to try this before taking it to a shop.

What's the humidity there? It could be that your evaporator is icing up and blocking air flow through the system. Try turning the cold button down to a medium range and see if it improves.

I think you will have to take it to an a/c specialist. Other shops will mess about with it and charge you for trial and error.

The AC Clutch has to Engage to have AC. With a Flashlight look at the Compressor with the AC off and then keep looking as someone turns it on. You will hear a sound and see the center turning. Now you know what it looks like, the center part only rotates with the AC on. The next time it blows warm pull over and look to see if the Clutch is engaged. If it's not the low pressure or cycling switch may be bad or you have low pressure. If it IS engaged and blowing warm, the Blend Door is in the wrong position and routing air thru the hot side of the box. That would be a Climate Controller problem.

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