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  1. ('09-'13) 2010 - P0420 & Low Idle - I've Tried Everything?

    Problems, Maintenance, and Warranty
    Hey guys, Started having issues months ago when my 2010 Subaru Forester (133K miles) threw the P2096 code. I started replacing things one at a time, solving the P2096 code, but now I have the P0420 that keeps coming back. Since the beginning I've had intermittent issues with cold starts and the...