edgardevolvo Syndication Mon, 17 Sep 2007 22:58:54 -0500 webmaster@volvospeed.com (Volvospeed Forums) IP.Blog 60 Hi,I just got a 2001 volvo S40 as soon as I put some gas on it number 89 unleaded ock, and then I started with the A.C. on full blast,and then my check engine light came on.Can anyone help...thanx. Tue, 18 Apr 2006 23:03:01 -0500