Hi,
I listened to the video. I am 99.9% sure it has little to no compression. It won't run like that. Either the timing belt has jumped time, or it has broken. We can do one of two things to check this.
First, a compression test will answer a lot of questions. Here is a link showing how it's done:
https://www.2carpros.com/articles/how-to-test-engine-compression
The other thing is to remove the timing belt cover and inspect the belt's condition and make sure the timing marks are correct. See pic 1 below for marks. In the pic, it shows the crankshaft timing gear. Rather than removing it, you should be able to find a mark on the pulley. On the cover, there should be a mark indicating TDC (top dead center).
Turn the engine to see if all three marks (crankshaft and each camshaft) align at the same time.
The compression test would be easier, but that is up to you. You will need a compression gauge, but most parts stores will lend one to you.
Let me know what you find.
Joe
See pic below.
Image (Click to make bigger)
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Friday, December 3rd, 2021 AT 6:00 PM