It just started tonight some say filter but I'm not sure. Full with transmission fluid.not slipping,and backs up normal it wants to pull in drive but very slowly tho. Help Me Please!!

 

Time for a diagnostic code check.

 

Check for a binding brake

 

I know what the problem is its your computer mine has the same common problems I have a 2005 Mazda tribute if you look it up computer diagnostic problems it will tell you all the information what it does and why it does it.