since you merely changed your copy, the IRS doesn't even know the revised return exists. however, the missing w-2 may be the reason for the delay. do not submit an amended return until the original is fully processed. that could further delay processing. I IRS may find the omission and adjust accordingly. certain claimed credits could also delay IRS processing. have you checked the IRs website for the status of your refund. in any case the 21 days is just a Turbotax estimate. the IRS has already announced some refunds could take 4 weeks.
