Q: Hoses connected to throttle body

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Where do the three hoses the connect to the throttle body run to mainly the one in pointed towards firewall? I think it would be the coolant return hose

My car has 236000 miles.
My car has an automatic transmission.

Any hoses that would connect to a throttle body are either going to be for coolant or vacuum. In order to determine where the hoses go from the throttle body, I would recommend following them with a flashlight and or your hand to determine the exact place that the other end connects.

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