Hello! I have a 1996 Firebird 3.8L V6 and I’m hoping for some sort of advice

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Three days ago, I was leaving work, hopped in my car only to find a super rough idle making it undrive-able. I pulled over, opened the hood, and found the PVC line boot/elbow had a crack in it, I wrapped some tape around it and carried on my way. The next day my car sputters and stalls in an intersection, I push it to the side and open my hood thinking that the tape may have come off, it looks fine- tapes still there, but I anyway head off to the nearest autozone to get another PVC elbow. I put it on only to find that it’s still having the same problem, since then I’ve replaced the TPS, IAC, Evap Purge, I’ve checked the vaccum lines to no avail, anyone have any Ideas? No codes have shown up to indicate any path to go down