Many people don't aware of the term flooded engine. When the engine has a rich air-fuel mixture, then it is unable to ignite by the spark plugs and cause flooded engine issues. If your Porsche is suffering from flooded engine issues, then the rich air/fuel mixture splashes the spark plugs and makes the combustion process in the engine cylinder difficult. Go through the video to know about the causes behind flooded engine issues in Porsche.
https://www.youtube.com/watch?v=6V214Lr-eiw