[Sloan]

Unfortunately, I did not know about this when I got my car. The first time it happened to me (within a week or so) my heart sank - this is a very bad sign in most vehicles, but then I thought I recalled having seen or heard something about this being common in boxer motors, then quickly confirmed it with a search here. There's no rhyme or reason to when it happens, and its pretty rare, but once in a while ......