Amsoil Engine Flush. Procedure, Filter Observations and future UOAs.

Here’s the process I used to complete a thorough Amsoil Engine Flush on our 2006 Toyota Prius with 275,000 miles on it. I also captured before flush and after flush used oil samples that I will be sending to our local Carter CAT SOS Fluid Analysis lab to answer the question: Does Amsoil Engine Flush do anything? Stay tuned for a follow up post and video once the lab results are back!

I know many recommend never doing a engine flush, but this 06 Prius seems to be harder on oil than our 05...

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