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Oil additives good or bad? Or is Valvoline restore & protect any good?

4.1K views 30 replies 20 participants last post by  Alex_W  
My 2016 Outback premium burns oil usually on longer trips.
how many miles on it? has anyone swapped a new OEM pcv valve on ?
those are springs with a ball, weaken in time/ in miles...and gum up making for consumption.

a 2016 should be later than the bad FB engine years.?