Just serviced PCV, now could use troubleshooting help

[DaveV70T5]

Hi all,

I'm hoping someone can give me some guidance so I can get back to driving rather than riding public transportation.

I have a high mileage V70 T5 (185,000 miles) that I'm trying to keep running. It was blowing lots of smoke so I thought a PCV service was in order. I've completed the service, but the car isn't running right. It sounds like vacuum leak to me, but also has what I describe as a low growl that sounds like one of the intake pipes is loose somewhere.

A couple questions:

Is the PCV system directly tied into the intake vacuum system such that if there is a leak in the new parts I installed (thanks FCP!) it would cause rough idle, whistling and backfiring?

I cleaned the ETM throat with brake cleaner. Is that a total noob mistake that fried it?

I've uploaded a 26 second YouTube video where you can hear the whistling and the growl. It's called: "V70 T5 Vacuum leak 2001" Here's the link: https://www.youtube.com/watch?v=Umt1H23pnMQ

I know remote diagnosis is difficult, but I'd appreciate any help if you have a couple minutes to check out the video.

Thanks in advance!
Dave

[abscate]

Yep, PCV attaches to vacuum at the manifold with a banjo nut, at the breather box, and down near the PTC nipple (not a valve)

Any leaks in this will whistle and cause poor running. I think your 2001 is the same as my 1999?

See Danmcboost post in the P80 forum for some pics

[DaveV70T5]

The PCV job is done (I think), turns out my air leak was due to improper installation of the ETM. Didn't notice I had it on 180 degrees off and there was a gap between the ETM and the manifold. I guess that'll make it run poorly....

So now it runs smoothly, has plenty of power, but is pouring blue smoke out the exhaust pipe under acceleration. A huge amount of blue smoke. Also is pumping out a fair bit of smoke at idle.

Any thoughts on where I should look next? I'd guess the turbo isn't seized as it has plenty of power, can the turbo cause a huge amount of smoking even if it's not seized?

When I did the PCV job, I did not clean the PTC nipple because I don't know where it is on the engine. Could this be the culprit?

Any other thoughts on how I could be combusting huge amounts of oil?

Thanks much!
Dave