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  1. V70 & V70XC & XC70 (2001-2007)
    Just did the timing belt on my XC70, which went well, but when I took the cover off I noticed a bunch of oil in the coil area, which concerns me since I just did the PCV like 10k miles ago (note the relatively new PCV hose going to the valve cover). I glove tested it again and it passed. So...
    pcv
  2. V70 & V70XC & XC70 (2001-2007)
    Hello I just recently got a 2007 xc70 with 119,000 miles on it. I had pulled the dipstick to check the pcv system and I saw smoke from there and the oil cap at idle. I bough the pcv kit from idpusa and replaced the system, made sure to blow air into the bottom engine hole and felt air come from...
  3. XC90 (2003 - 2014)
    I'm having a weird problem with my wife's 2011 XC90 3.2 with 131k mi. Recently the vehicle started making a high pitched whine when idling or when the throttle is closed. The engine seems to idle a bit rougher too and I am getting a few error codes: ECM-P017100 System Too Lean (Bank 1)...
  4. S70, V70 & V70XC (1998-2000)
    Hi, I hope this is the right spot for this but anyways I'm trying to find a way to delete the PCV for "performance reasons" so I'm wondering if anyone sells a better one or if cap off the port to the intake for it. Not looking for the catch can solution or the "why would u delete the PCV answer"...
  5. General FWD & AWD
    Hello everyone, I am new to this forum and am looking for some clarity. I have a 2009 S60 2.5T that I've owned for about 70k miles. I change the oil every 3-5k using Castrol GTX synthetic 5w-30 high mileage. I had some issues with it not getting oil back to the top of the head a bit ago, so I...
  6. XC60 (2010 - 2017)
    Hi All, First time poster- I have a 2013 XC60 T6 R design that I wanted to share some best practices and data that I wish I had when troubleshooting. ~92K miles on the car, I had a check engine light that scanned to a P0171 code, a few weeks before I had a failing oxygen sensor code so I...
  7. S80 (2007-2016)
    I just replaced my old oil trap and PCV diaphragm on my 2010 S80 3.2 and it now releases pressure from the small hole on the diaphragm every time I depress the brakes. Didn't do this at all even with the old PCV system. Took the new parts off and replaced it with the old ones and it stops making...
  8. XC90 (2003 - 2014)
    i bought a 06 xc90 awd 2.5t a month ago. the day i drove it home when i went over the mountain i got a no oil pressure stop safely light, i stopped, check the the oil which was full, started it back up again and it disappeared, been driving it since and it only reappears after high rpm going...
  9. XC90 (2003 - 2014)
    Recently bought an 06 XC90 190K from a trusted neighbor :) During test drive the neighbor did smog and changed oil for some reason. About 4 short drives later "Oil Pressure" but no check engine light. :( Immediately pulled over, turned off, waited 5 minutes and light went away. Next 10...
  10. XC90 (2003 - 2014)
    Hi! I've had running issues with my 2003 XC90 2.9 T6 and thought I'd give the PCV system a good clean through. I'm glad I did as it was UNBELIEVABLY clogged, and I was surprised how much gunk I managed to get out... It's like new! After removing and cleaning the intake manifold, throttle body...
    pcv
  11. S60, S60CC & V60, V60CC (2011-2018)
    Hello everyone! I'm a bit stumped and confused here hoping someone can explain why I'm expecting one thing but seeing another. Driving home today I began to hear loud whistling coming from the engine bay, I initially thought belts but low and behold it was air as it instantly goes away once I...
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