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After replacing #3 injector and both stand pipes and dummy plug, air AC/ outside air only blows out the defrost. I only unplugged 1 vacuum line, any suggestions! Had no previous issues prior to this. My climate control is all push button, air will not come out dash vents or floor only defrost.
You can hook a vacuum gauge to it to verify once you are done but I would check any/all vacuum lines. maybe something got bumped when the repair was being performed.
check the tiny gray vacuum line above your pass valve cover. it goes on a port above the heater hose/map hose area. easily missed or sometimes falls off....beaten by seconds tech