My 1993 Jeep Grand Cherokee auto transmission doesn't seem to drop into 1st or 2nd. When I start in drive I have to manually put it in 1st to get going. What can I do to fix short of replacing it?

Try changing fluid and filter. i did that to mine when it started acting just like that and slipping....the filter runs about 7 bucks and the trans fluid about 15.....solved it for a bit but still slips....moneysaver till you can replace it tho.