Thanks Mike. I will update when I make some progress on this.

Ok thanks for the reply and insight. I got some maintenance documentation from the previous owner but not a whole lot. 141k miles on the car. Pcv system seems to have been serviced around 10k miles ago. I have no idea when the plugs/coils were serviced last. Should I start with replacing the plugs a...

New to the forum and new to Volvo as of about a month ago when I bought my 2006 S60 T5. Was pleased at first but quickly realized that I have an issue that makes the car extremely unpleasant to drive. I have done thorough research on this problem and have not turned up anything besides the famous et...