My car will turnover but will not fire, and the timing was recently redone what might be the problem?

Could be a cam or crank sensor. I do not know what kind of car you have or it's age.
My car will turnover but will not fire, and the timing was recently redone what might be the problem?
Yes, that could be the problem... If the timing is not set properly, then it may turn over, but it will not start if it is far enough off. Take it back to wherever you took it, and have them re-set it.
My car will turnover but will not fire, and the timing was recently redone what might be the problem?
need more info