2001 nissan exterra, diving down road it just quit, it turns over but will not start

Hmm....

The problem would be in the ignition system. Try to check if there is a spark coming out in your spark plug.

Remove the spark plug and put the cable in it and body ground the electrode of the spark plug. Let somebody to start the engine.
If there is a spark comes out, the problem would be the fuel that suppose to go in your cylinder, there are three faults to be looked at in the fuel system, the fuel pump, fuel pump fuse, and the fuel filter.

If there are no sparks coming out, the fault would be the ignition sytem, where there the vital parts are in the distributor assembly. An electrician or your dealer shop should work on that, vital testing will be done to pinpoint the fault inside.

Hope that helps you out!