Originally Posted by burtonbc

I agree with crazy4x4RT, I could have had a combination issue with both. The deal with the PCV was that it was gummed up just enough to not close as far as it should have at high rpm (which is what it should be doing under load). Also, if the plenum gasket was blown it would have exacerbated this issue by not creating enough vacuum to allow the PCV to restrict the flow of vapor at high/loaded rpm. At this point the only way to tell for sure is to take the TB off and wipe out the plenum pan, run it and check. But seeing as how I just replaced the TB gasket, I'm feeling inclined to wait a bit before I do. I am however curious myself, to have the complete picture on that whole situation. For all I know the plenum could still be leaking (but I hope not). With 129k on the motor, like crazy4x4RT, I'm thinking it was likely a combination of both issues. I will get it wiped out and post a final assessment. It should be easy, it's only a TB gasket and 4 bolts.