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2017 Buick Envision O2 senser problem

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Old Jun 14, 2026 | 01:26 PM
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Default 2017 Buick Envision O2 senser problem
Changed one of the sensors but check engine light stayed on . Mechanic not sure what to do next. Said he put camera in catalytic converter and it looks ok. Next step would be change other o2 sensor and hope it fixes the problem Car has a little over 100000 miles. Any
suggestions?
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Old Jun 14, 2026 | 05:38 PM
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What codes are stored?
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Old Yesterday | 09:47 PM
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Your mechanic is stumped What all did he do to get stumped. Code is needed.
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