2007 Ford Escape - Steering

steering problem. works and then quits.

You’re going to need to provide more detail than that. What does “quits” mean?

Check the belts, if applicable.

Your vehicle has electronic power steering assist.

https://www.carpartswarehouse.com/addtocart/2007_Ford/Escape/Electric_Power_Steering_Rack/80-30011.html

This is the system that’s causing your problems.

Tester