p0172

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    2013~2016 Help with P0172 and P013a on 2013 2.0 Gas

    My wife told me that the check engine light came on today on the CX-5 (2013 2.0Gas, 80K Miles). She did not notice drivability concern, except saying the engine 'might be' a bit louder at loads. I used OBD scanner and retrieved two codes: P0172 running rich, P013a downstream O2 slow switch...
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