Are you sure he didn't mean you're missing 2 cylinders, like you should have 6? <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt='
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I hope you know I'm kidding.
I can't believe you ran missing on 2 cylinders without noticing. I was on a motorcycle that missed on one and it was really obvious, and I had never been near that bike before. Or is it an occasional miss? I would find it hard to believe you could miss (no pun intended) something like that on a car you drive daily.