Engine Mechanical problem
2004 Pontiac Grand Am 6 cyl Front Wheel Drive Automatic 74786 miles

i have a 2004 grand am. the engine light came on. had it tested showed an cylinder 1 misfire. i replaced plugs and wires. next day still skipping and totally shu off in middle of the road. put on computer again wtill showed cylinder 1 misfire and ebsn communication failure. replaced module and coil. now its still skipping. dont know wha to do next