Injector tick

I replaced my injectors with some refurbished ones and they were soooo loud. I pulled them out to make sure all of the seals were good and the tips of 3/4 were stuck in the head!?!? The plastic part the o ring seats on is stuck in the head and I put the injectors back on and it’s ticking hella loud. Probably just valve echo but i dont know what to do except buy new injectors. Shot my fuel trim from 15 up to 45(