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  1. melvinpmanuel
    Thread

    Prius 3rd Gen throws P0420, is it a bad Oxygen sensor?

    I recently purchased a 2013 Prius with 114000 miles on it. The engine light is ON and I scanned for the code and got P0420 "Catalyst System...
    Thread by: melvinpmanuel, Jul 14, 2020, 3 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
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