For the re-start trouble, look into "Evap Purge Valve". It's a valve under the left side intake. Here's an article on the basics (not Porsche, but similar): https://www.samarins.com/glossary/purge-valve.html
It may not be the cause of the P1128/1130, but it is likely still part of the problem.
Here's one discussion here: Success! Finally fixed the hard start while hot and fueling issues.
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