My motor has been making a ticking sound for as long as I can remember, I ignored for a while and tonight my curiousity finally got the best of me. I got to listening and looking around, took off the air filter and figured out it was my injectors. I put my fingers on the injectors and could feel them pulsating/clicking with the sound. Is this normal?

 

Yeap, as long as the car seems to be running normal, you should be good.

 

Very normal indeed. You tend to hear it when you replace the stock air cleaner assembly with an open element. An open element offers almost zero sound dampening, hence the sounds you hear.

 

Yep, as ShiftyCapone and Cruzin Kas have stated, it is very normal to hear them ticking away and is nothing to worry about. It's when you don't hear them that you have to worry.