1998 Ford ranger 3.0 4by4 automatic transmission no reverse?

Reverse does not work and will not go into 1st gear, 4 wheel drive works fine

Can be the low and reverse clutches are worn out. Can also be a valve body problem. No matter it is going to have to be looked at by a professional. I would not drive it any longer as you may do more damage.

Needs rebuilt transmission more than likely the reverse band has broken. Which is a common problem. Find local shop at ATRA.COM for more help