Originally Posted by alldayquilter
To FMQ you must use an embroidery foot or a darning foot. It really makes no difference if the feed dogs are up or down. It sounds like your top tension is to loose. Try tightening it. Then, if you need to, you can adjust your bobbin tension by adjusting the little tiny screw on the side of the bobbin case. Move it in small increments.
I use a regular old foot and that works the best for me. I learned to lower the pressure on the foot to 0, stitich length 0, feed dogs up, open toed foot to see where you are going and you're off! I finally found the control I could never get with a darning foot and no feed dogs.