If you have a 3L dump out 1/4 of a can, if you have a 4L+ use 1/3 of a can into a container
Take your brake booster line off the brake booster side & put your finger on the end so it's not a vacuum leak & the engine will run.
Drop the line in the cup & take your finger off.
If it doesn't instantly die, CUT IT OFF.
Wait
EXACTLY the specified time & re-crank the engine.
After that you'll want to let it iddle a few min for the smoke to die down.
Then drive it around, and before it all burns off, drive the B like you stole it for abit.
Repeate that sevearl times and you'll get a combustion chamber as pretty as mine!
See my seafoam post
http://www.clublexus.com/forums/es300-and-es330/185227-how-to-seafoam.html