See this link for a starting point.
I do not think you are familiar with what a PCV valve is. It is a ventalation valve that allows gasses to escape but those gases are designed to be put back into circulation through the intake.
You likely have a CAT Converter issue which is causing the car to run really rich.
Lots of variables but the link is for the code you are suggesting. Start there. See if you have any other codes too.