I don't think so, I've been using High Mileage 5w-30 Mobil 1 year round since 180k miles now at 240k. Though, I have started using the Honda Filter compared to Mobil 1.
I would take a good look at the brake fluid and stale gasoline but the rest should be fine.
Drove it to 300k using mobile 1 ephm. Sent samples at 10k intervals and blackstone always said i could run it longer. No abnormalities. I trust the oil life monitor.
Valvoline Restore & Protect is apparently amazing when it comes to desludging engines, and Mobil 1 also has some knockoff that claims the same.
Looking over this old post -- an update: I have since migrated to M1 ESPx2 in 0-20. The price has stabilized at $25gallon, and that made all the difference in the world to me, and is allowing me to reduce my OCI's to 5kish.
I use mobil one ESP 5-30
I use 10W/60 LiquiMoly 365 days.
Mine has had Mobil 1 Extended Performance 0w20 its entire life (aside from the factory fill) and I've had exactly zero oil consumption or lubrication related issues. It still gets nearly the same fuel economy and is as responsive and smooth as when I bought it, no matter if it's blasting up a steep mountain or baking in the heat of summer traffic.
I only use Mobil1 High mileage. Everytime I drop the oil at 100%, it feels less oily? Kinda less slippery? Definitely darker than I would like. My feeling is change it a little early.
Liqui moly apparently it’s not good oil, they’re just good at marketing
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