sniper95688

i get code 14 and 21. bad igu(ignition control module) and bad o2 sensor. i put in used distributer from junk yard and it now runs. however i noticed that my truck is missing the o2 sensor or it is not where it should be( mounted too exsaust manifold). i will sen a pic of where it should be. i also have a vacuum tube that used too go somewhere that is now going nowhere. i cant figure out where it goes. i will post pics asap thanks