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08/04/2021 8:30 pm
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2009 chevy aveo bank 1 rich I can clear the code after a few days it will come back on it seems to trip code only when starting car does this help narrow down what to look forin
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08/04/2021 9:11 pm
Try this list of possible causes. Do any other codes besides this one trip? There are somethings you can look into yourself but I do think it be needing a proper diagnosis.
https://www.engine-codes.com/p0172_chevrolet.html
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08/04/2021 9:29 pm
This might be of interest to you: https://www.700r4transmissionhq.com/p0172-chevy-aveo/
