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Re: Taking lumps on a P0420
Posted to Technical Theory Forum on 9/9/2013 14 Replies

Thank you for the story and insight Scott. My gut is saying just get the damn OE cat. Its bumps like I just wrote to Albin above (about the Subaru) that make this "trust" hard to believe. Maybe it just needs a downstream sensor. Maybe the code will set again ... Login to read more.

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