my cel wont go away on my 2006 porsche cayman s it calling p2196 stuck rich or biased. i have clean my injectors, did a smoke test for the intake nothing in either, changed all my 02 sensors and exhaust gaskets also have done my spark plugs. i just dont know what else to do is there anything with this that could help?

Tags: p2196 , 2006 , cayman , s