Sewing Machine Not Sewing Zig Zag

All models are built the same way inside.
Sewing machine not sewing zig zag. I never get a fully clean zig zag stitch. Diagnosing problem zigzag stitch sewing in general hi i have been having this problem for two days now sewing sweater fleece sweatshirt materialand using a zigzag stitch but it turns out loo. Does your zig zag not work. When the zigzag stitch is not working you cannot do many of the stitches that are preset on your sewing machine including buttonholes.
You need a bit of confidence to do this and. This very easy method will help you fix your own machine. Before taking your sewing machine to a professional try fixing the problem yourself. Skipped stitches are a giveaway sign to mis timing.
Save your much needed dollars by setting the timing on. Is your machine not sewing right. The right side seems to be pulling more of the stitch than the left so more of the upper thread appears on the left hand side of the stitch than the right. Sewing machine zigzag stitch not working believe it or not while the zig zag feature on your sewing machine sounds complicated it may not be a complicated feature to fix and get working again.
Probably related to this the zig zag on the bottom is not centered.