Firing Problem!

My car will not start non of the spark plugs fire, i just bought a new coil and module and plugs and it still wont fire what else could it be? also my oil light says its low but its not oil pump prolly goin out?

we need to know more...
year riviera?
engine ?
is the starter turning over?
did you scan it for codes?
did you check for spark the old fashon way? (ground the electrode and watch for a spark)
are the plugs wet when you pull them out?
if your geting it to turn over just not catch, then it could be a bad fuel pump, crank sensor, or alot of other things.
please give us as much details as possible so that we can help you.
Matthew