I have a vibration at times vibration through the steering wheel? At around 40 to 50 mph slower speeds no?

What is your question?

I have a vibration coming through the steering wheel at around 40 to 50 mph and at other times it is fine especially at slower speeds?

What makes this problem better or worse?

slower speeds

How long has your 2006 Toyota 4Runner had this problem?

just recently