the way to tell on them is on long trip driving that where engine sits at 3000 revs or above most of the time and everything has chance to get hot, short start stop trips wont really show it up , also you really do need to keep oil level at top mark on dipstick and not towards lower mark as timing chain collects its oil from the sump mainly and flicks it up the chain as such when oil low it dont get as much oil picked up, also low oil means less of it oil also cools the engine parts as well as lubricates and cleans it as such so low oil messes with this over time,Ok I checked the oil today …. I checked immediately after driving 20 min, which I know is not the right way to check. It was at the top of the bottom point.
I figured if I let it sit 5 -10 min, it should be within range. I of course will recheck sometime soon after letting it sit.
it’s been an additional 1000 mikes since my 1200 mile oil test. I am pretty confident that it’s not majorly buying oil.
I do have a new pcv or pvc whichever value which I want to install also. Once I find it