My first problem was a rough idle, got the cylinder 1 misfire code from Autozone, did my research here, and replaced the spark plug. The problem was solved. Then, less than a year later, I had the same problem, and solved it by replacing the plug again! Why does this keep happening? I've asked a few car guys I know, and they had no idea. Does anyone have a suggestion or three? Any help is greatly appreciated.
Edit: I found a post HERE where they are blaming the oil consumption issue. They say oil in the cylinder is destroying the plug. I've read that GM now has a solution for the oil consumption issue, but how much is the fix? I have no warranty.
