Dont know about this idle problem that you guys have, but I was wondering about this MAF sensor replacement that idealflaw is talking about. When you were getting the engine light come on, what code was it spitting out when you got it checked? my S40 is running fine, but it is bringing up the engine...

Im just wondering how did you know that you cat had kicked the bucket? What sort of obvious signs were there? I have a noise coming from my exhaust. The first mechanic I took my S40 to, said it was just a crack in the Y piece of the exhaust. Once they had welded that, and the noise was still there, ...