PO 300,301,305 on a Kia Sorento 2005

[Benny_Landfair]

I have a PO 300, 301, and 305 code on a 2005 Kia Sorento lx. I have changed the injectors and spark plugs. Only has coils on one side, 1,3,5 cylinders. I’ve looked for vacuum leaks to no avail. Any ideas?