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  1. CTS First Generation Forum - 2003 - 2007
    So for a while now, my CTS has started up with a rattling sound.. for like a year now I want to say. I didn’t think of it until I got an OBD II Scanner to read the codes and I feel like I got the “Code of Death” for my CTS (P0008). When I drive it now, whenever I let off now my RPMs like to drop...