tranny won't start in first gear.
 

So a couple of weeks ago my 03 dodge it wouldn't shift out of 1 st or 2nd without left off the throttle. So I asked around was told to change my celinoid. So I bought the kit and replace it my self. That didn't work. So I kept looking to what else it could be. Then just one random day it stopped going to first gear completely. If if I manual put in first. When I push on the throttle. It doesn't rev like it's in neatral. It revs like if I have the break smashed and it Roals coal. Ppl have told me that I could have something stuck in my valve body. Could this be the reason?