mine did that before I had it rebuilt but it never got to the point where it never went forward. It would go but than it felt like it would skip past second and go right to third or just sometimes be in neutral than engage. I think there is a solenoid that goes from neutral to 1, 1 to 2, etc. (but dont quote me on that) so u may have a problem with the neutral to 1 solenoid... someone should be able to hel u tho sorry i couldnt be more of a help