Rough idle loosing power after spark plug change throwing po340 codes

What is your question?

I took my Edge to a mechanic to have power steering pump and spark plugs changed when I got it back it was rough idling and loosing power when going up hills just runs rough was not doing any of this before

What makes this problem better or worse?

I haven’t driven it much since

How long has your 2008 Ford Edge had this problem?

After spark plugs were changed about two weeks