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
have the same problem?
Tuesday, July 13th, 2010 AT 8:46 PM