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p013c

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    P013C Trouble Code?

    Hi All, I have a '15 Explorer XLT 3.5 with a persistent CEL. OBD scanner is throwing code P013C: O2 sensor slow response-rich to lean bank 2 sensor 2. Does this sound like a simple downstream O2 sensor replacement or something else? I see a lot of talk here about other oxygen sensor codes...
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