I did more research and I have been told that the high Moly levels in the initial UOA is from the assembly line they used when the engine was assembled. This explains why everyone’s initial UOA shows high moly and all subsequent samples never have moly levels as high as the baseline sample...
I just got my SpeeDiagnostix UOA back on my new 2025 GX550 after a 545 mile first oil change. I’m noticing the same thing in my analysis that I’m seeing elsewhere, including the sample above. The oils don’t look to be the same. What is the factory fill oil that Toyota is using? Because it’s not...