No compression #2 runs fine

Hey yall. First post first mustang. Its completely stock. I decided since just bought the car. 160k 00 gt 5 speed. I wanted to do a compression test for giggles. And found one side perfect. The passenger side not so much. Had #2 read 0 and the rest are within limits ..just, 105-110 on either side of #2 but 160-175 on all the way on driver side. I unscrewed it tried it 3 more times and nothing. Its not smoking, running rough, it pulls good and when i pull the coil wire off #2 while running, it starts running rough. So its got compression. Any ideas?
 
if comp was really 0, it would miss all the time.....redo your test on that cyl again.
Thats what i thought. I figured id ask lol. But i did put it back together, let it WARM UP, and redid it, but i read 155 in both the low ones, making 165, 155, 155, 150. And 165 175 165 160. It sat a bout a week before today so. But thank you for your help sir! Good tongo for boost!