It does not start with the connected PCV valve

Well I have a huyndai erantra year 93 and when connecting the PCV valve the engine stops, I have to have if or if the valve disconnected but the same sucks me and lacks strength to the engine because it is not in its correct operation try to dispose of the valve and also probate with another but nothing, still the same ... what problem can I have? Please someone who gives me your opinion