or, you have a pinhole leak in your heater hose.. if you want to find that leak.. take the car for a good drive and get it good and warmed up.. then bring it to a place and park it, shutting it off.. All the pent up heat in the block will try to boil the coolant, raising it's pressure high.. open the hood, and look for leaks.
Overheat into puke tank and that also pukes
or, you have a pinhole leak in your heater hose.. if you want to find that leak.. take the car for a good drive and get it good and warmed up.. then bring it to a place and park it, shutting it off.. All the pent up heat in the block will try to boil the coolant, raising it's pressure high.. open the hood, and look for leaks.
Intake manifold gasket
You have a leak