I do not know whether "Can you feel it?" or "Do you feel it?" would be accepted, but "Are you feeling it?" is definitely wrong.
Verbs of the senses (feel, hear, see, smell; also observe and notice) aren't normally used in the continuous tenses. Some of these verbs can also denote deliberate actions, in which case they can also be used in the continuous tenses. But then they have a different meaning. "He is feeling something" means "He is touching something with his fingers to examine it".
Hope that helps.
No. There's a differene between "cítit" (to feel (to use the sense of touch), smell, sense...) and "cítit se" (to feel (oneself)).