I have a 2005 Malibu 2.2 4 cyl 64k miles. The ck engine light is on engine runs rougn. I took it to Autozone and had the codes read. It said multiple misfires. When I removed the plugs, 1 and 4 were fouled. I HAVE REPLACED THE plugs and the rubber boots. Same issue.:banghead:

Try Replacing The Ignition Module 1-4