odd engine rasping sound - any ideas
on my year old 987 boxster s, when starting from cold, no problems for about the first couple of minutes. then, when i hit about 2,000 rpm, i get a nasty rasping sound from the engine. this happens most noticeably when i ease of the throttle, e.g approaching traffic lights, and the revs drop to the aforementioned 2,000. after another couple of mins, the noise disappears and doesn't return until starting up from cold.
anyone else have this noise, or know anything about it?
thanks
anyone else have this noise, or know anything about it?
thanks