just wount start

Question

Ok so I just bought a 2000 Chrysler 300m ran grate wen I drove it home well next day I'm driving it and it just shut off it still turns over but don't start it's getting gas and it has no check engine light on but I used the obd key function and got these cods p1684 ,p0349, p1391,and p1685 just seeing if any one can help or has had this problem so thanks