Hi @7541zxcv , if you have not received the letter as of yet, you may consider calling to find out why you owe. There are phone numbers in the link I am providing to contact the IRS. When you owe, penalties and interest can accrue, the sooner you can get in touch with them the better.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-refund/irs-refund-taking-longer-21-d...
Hope this helps!
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