The idea that it shook leads me to think a vacuum leak may have been caused when it was worked on. Do me a favor. First, confirm the air filter box is fully seated, make sure the tube between the air filter box and throttle body is attached. Take notice if there are any small rubber vacuum hoses that are damaged or disconnected.
Here is a link that explains how to check for leaks:
Let me know what you find.
Take care and Happy 4th of July,
Tuesday, July 5th, 2022 AT 11:24 AM