So after I typed in this reply, I discovered that the original thread dates to 2019. BUT someone new has asked about it. IF you have the Volvo inline 5 cylinder engine, the glove should be pulled down at least a little bit against the baffles under your oil cap. If it is not being pulled down, the t...

You said in your initial post the PCV was never serviced? They say it's due every 100K, so if there's no history that it was serviced, it's definitely time. I would suspect clogged turbo hosing, or excess sludge in the oil trap, would affect your boost power. In extreme situations, the entire lower ...