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Old 04-28-2022, 10:44 AM   #5
ctrlz


 
Drives: 2017 2SS, 50th pkg, M6, MRC, NPP
Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,584
Quote:
Originally Posted by SomeGeoffGuy View Post
I would also look at the PCV system - something might be plugged up.

-Geoff
I agree.
I would look at the hose that connects the oil separator to the air cleaner duct. This hose should be letting clean air in. It should not be filled with oily residue. It sounds to me like your PCV valve may be stuck, and your crankcase blowby gases are being rerouted in such a way you are drawing blowby and oil into the intake stream, rather than having them sucked through the PCV valve.
Higher crankcase pressure will result, and force oil into places it should not go, particularly at higher rpms.

Leaking oil seal does not account for oily exhaust fumes.

Also, I assume you are losing oil. Can you say how much?

And I would not install any aftermarket gizmos that change the PCV plumbing until you have this sorted. Dealer may say your catch can CAUSED the problem.
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