transmission slips when cold what can be wrong? on 1996 Mercury Sable

When I make a stop, it appears that the transmission does not go into gear unless I step on the accelerator and then the car jumps into gear.

by in Alamo, TX on September 13, 2010
1 answer
ANSWER by , September 13, 2010
when was the last time the trans filter & fluid been repleaced?