2001 Oldsmobile Cutlass one ignition coil won't fire

Dear Sirs, My son has a 2001 cutlass, 3.1, v6 and is skipping and we noticed cylinder 1 and 4 are not firing. (No spark) We got another coil and still no spark. About a year ago it would not run at all and we had to replace the ignition coil module. Has the new module gone bad or does the 7x or 24x crank sensor have anything to do with this problem? I've checked all the fuses and relays and I'm stumped.
Thank you. Ralphie