Engine light & filing gas tank

Check engine light stayed on  few
weeks. Did oil change and
replaced air filter. Light stayed off
for about 4 to five hours, but back
on. Autozon check , and a  p
something code. Also, it take
about 10 to 15 min to fill my tank,
because it will pump for a bout 3
to 5 second and stop. So I have to
continue pumping little by little
until i get a full tank. Had it
checked, but can't figure it out.