that TB is to side and not front like a 1.8
so 1.6L 16v is perfect
it will say drain coolant for all items in the coolant path (its toxic is way they say that)
the hose to the big air pipe , coolant is the HEATED INTAKE Device.
having these paths blocked is due to very poor coolant maintenance.
every 2 years, for ever.
both (yes, ) IAC are coolant controlled.
my web page ,
how-to-find-EFI-parts
shows all these parts.
your USA car by law must have a vacuum hose diagram in the engine by, or under hood.
its there are is the EPA cert. that idents the engine an all.
glad you found a culprit.