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Nox Sensor
Aug 31, 2016 11:07:35 GMT -9
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Post by Nick on Aug 31, 2016 11:07:35 GMT -9
I have a 2012 GMC 2500hd and my check engine light is on and there is 2 codes that are showing up P2203 nox sensor circuit high and P2202 nox sensor circuit low voltage. Was curious if anyone knows how to fix it or is a costly fix?
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