My CEL is on and I went to Advance Auto to pull the codes which says Random/Multiple Misfire. I've changed out everything I can think of from plugs to wires and it's still misfiring, sputtering and so forth. Any suggestions as to what it is and how much to fix it?

I had the same code on my car the other day i went to a yard and bought a new coil pack cause i changed the plugs and conductors with no luck and the new pack did the trick runs fine ever since. thats with an eco tho


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2003 Cavalier LS Sport "SHOCKWAVE"