Help with my AC Condenser Needed

Preface, I have no idea how any of this HVAC stuff actually works. :(

This morning, I noticed our house was still 76 or so, despite being set on 72 for the night. I checked the condenser and the blades weren't spinning, but it otherwise seemed like the house was trying to cool (room temp air was still blowing through the vents). I touched the padded tube (sorry, I don't know the name) between the condenser and the outside wall and it was cool. I tried to check the capacitor again using a multimeter (hooray for free stuff from Harbor Freight) and following a youtube video but all of my reads came out 0.00 so I figured I was doing something wrong

Decided the capacitors were cheap and so I'd go buy a new one anyways, but it's sunday and tomorrow is the 4th, so no one is open. Got home and just put the capacitor back in for now and clicked on the air just to see and.... it's working (for now)!

Any idea what could be going on? Is it likely that a capacitor would go bad that quick? Could I have the wrong size(?) capacitor?

Here is an image of my capacitor and the panel on my condenser unit, in case they're of value:

Condenser Label

Capacitor Label

Thanks!

submitted by /u/kmaho
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