Mine has 174K. When you say the "entire PCV system" what exactly are you talking about? The valve and the clamp? Here is an image from another thread on the top. Which parts do you suggest I change? http://www.volvopartswebstore.com/images/parts/volvo/fullsize/GR-323203.jpg I believe the m...

Hey guys, I have read around this and other forums trying to find an answer to my question and haven't had exact luck. I have a 2004 Volvo XC90 T6 that I gave to my mom in 2014 and now she has given it back to me (in California). The check engine light was on when she drove it here and it had the co...