This thread is a place to post threads (links) from all the Toyota specific engine & transmission trouble questions, on this forum.
Found this form to be quite informative, especially on the new 2018+ Toyota's with the A25A engine model.
https://www.toyotanation.com/threads/explaining-quirks-of-the-a25a-fks-engine-the-8-speed.1689542/
Toyota 2AZ-FE engine defect, which causes excessive oil consumption and oil burning
https://www.classaction.com/toyota-oil-consumption-defect/lawsuit/
http://www.toyotaproblems.com/excessive-oil-consumption/
Note: both the links and Scotty's videos are out of date on the vehicles affected, which runs from 2006 to 2013. Check the Toyota bulletins page for a link to the TSB. You can find it in the FAQ Used Car Buying Guide or here.