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2015 - XT - So much blueish, grayish smoke... like a fog?

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Opie

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2021 Forester Sport, 2015 Forester XT
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Discussion starter · #1 ·
Vehicle Details:
2015 FXT
Hey all, long time since I've posted but have a problem....
I just picked up a 2015 FXT w/162k that is spewing a ton of blueish, greyish smoke....like I fog the neighborhood when it is started amounts of smoke. It's definitely burning oil but seems to be decently maintained over it's life, no external oil leaks, coolant is full & clean.

Still runs like a top, except for the smoke....I see that this can be caused due to a plugged PCV system, a bad turbo or most commonly bad valve seals. What is the best way to determine which of the 3 it is before I start throwing money at it? I hate to spend money to try parts that won't fix it....any ideas?
 

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#2 ·
If its blowing fogging smoke, it wouldn't be PCV or valve seals.
I've seen cars smoke like crazy after a roll over, of after a new engine was installed (due to previous engine putting oil or antifreeze into the exhaust).
But if its lots of smoke, not going away, its most likely the turbo.
 
Discussion starter · #3 ·
So did a little more checking tonight, pulled the engine undercover and impact braces off to inspect and sure enough there is burnt oil trails coming from the turbo where the J-Pipe bolts up. There is oil down the center of the car, diff, trans, etc. behind the turbo. Car had been sitting for several weeks before it was delivered to me and it was fogging smoke. I let it run for several minutes tonight....had a neighbor come and ask if I knew the car was on fire...lol. After about 20 minutes, there was less smoke, but it was still noticeable. Checked live data, roughness good, no knock, no nothing....

Only code in the ECM was a P0606 - Control module Processor which I haven't looked up yet.

Decided to take it for a short drive, while the car runs smoothly....it has no power, and no boost...I think we've found our culprit.
 
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#4 ·
While your in there...
Get the screen out of the banjo bolt feeding the turbo oil. And of course change your oil and get an analysis done finding out what wear metal will tell you whats wearing and where any problems lie
 
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