I have a problem with misfire what would make it misfire has compression plugsok on 2003 Saturn L300

has fuel spark good plugs compression anybody else have this problem need help

Asked by for the 2003 Saturn L300
Trouble codes?
haven't heard a vacuum leak but will check. Had tried a nother coil but did not work same bed miss. any other thoughts if not vacuum problem? Hard Miss fire codes
Fuel injector maybe.
Will check
1 more answer
"hard misfire codes"-----------what codes & what cylinder(s)?