My e4od in my 96 7.3 seems to be shifting wierd. It didnt do this in fall and since winter its been shifting wierd and locking early. My shifts i feel are 1-2-a slight 3, then 3 lock then 4 lock. No 4 unlocked. Before i felt 1-2-3-4-4lock. Never the 3 lock. Its very sluggish and no fun to drive...