Sorry I guess I wasnt clear. I bought a new COP and a new plug, installed them both at the same time, and the problem is gone. I just want to know if the cop I took out is actually bad, or if the whole problem was with the plug I took out. I have another COP that has a broken ear so if I can use the one I took off to replace that one I would feel better. Plus at $60 a piece Id rather not throw away a good COP.