[RunItUpTheGut]

Hmmm....
antifreeze in the oil is usually a blown head gasket in my experience.
Don't have a lot of experience though, lol

Thats what i was thinking. 99% of the time that what would put out antifreeze into the motor and oil.
The throttle body just regulates the air intake into the engines combustion chamber.
It should between the intake manifold and the filter somewhere but i dont know why that would be putting antifreeze into your oil.
Im about a 100% certain that youll have to take the head of the motor off in order to find your leak.