No, amending your return state will not postpone your federal refund. The identity of Original returns and amended returns remain separate (dispite where they originate from).
Reminder: Wait to submit your amended return until after your original return is approved.
Amended returns must be mailed. If a refund is due, it will be delivered on a paper check.
You can track your amended
return 3 weeks after you mail
your amendment using the IRS tracking system.
It may take up between 12-16 weeks to
receive your amended refund.
To track the status of your amended return use the IRS link below or by call
866-464-2050.
https://www.irs.gov/filing/individuals/amended-returns-form-1040-x/wheres-my-amended-return-1