Terra clean good practice?

[ainarssems]

never really getting up to temperature

They do have electrical heating element in them so should be getting up to temp anyway.

Like others say terraclean will not do anything to intake on FSI engine as it will be injected directly in the cylinder. There are other cleaning methods that electrically split water into oxygen and hydrogen and feed in in the intake but I don't know how effective they are. Best effect probably achieved by mechanical cleaning.