Bank 1 and Bank 2 running lean
If lean faults occur after the manifold was removed and reinstalled, this indicates a vacuum leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-vacuum-leak) which also means that unmetered air is coming into the intake. Either a vacuum line (https://www.yourmechanic.com/services/vacuum-hose-s-replacement) or induction pipe is loose, or the...