Watching some random youtube videos about Yaris, I stumbled accross this :
https://youtu.be/zJ9i2Bq8kSw
So this is this, a japanese chemical internal engine cleaner :
http://www.wako-chemical.co.jp/recs/product-info/ (original)
The pictures are interesting.
https://youtu.be/zJ9i2Bq8kSw
So this is this, a japanese chemical internal engine cleaner :
http://www.wako-chemical.co.jp/recs/product-info/ (original)
The pictures are interesting.