Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
Welcome to JustAnswer, my name is XXXXX XXXXX I'm here to help get your problem resolved. Ask follow up questions, thanks.
What is the actual codes your getting? Was converter replaced with OEM replacement or aftermarket?
Sometimes these vehicles can be picky with aftermarket converters.......I've used magnaflow and have had good luck otherwise you can get a OEM from http://www.gmpartsdirect.com/