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Persistent O2 Sensor Error After Replacement

Hi everyone, I own a 2017 BMW X6 with 143,126 km on it. I've been dealing with a persistent check engine light issue. Initially, I received an O2 sensor error code, so I went ahead and replaced all four sensors. However, the error codes keep reappearing even after clearing them. The last occurred mileage was before changing the sensors. Has anyone experienced a similar issue or have any suggestions on what might be causing this persistent problem? Any advice on how to resolve it would be greatly appreciated. Thank you!

A 2017 BMW X6 owner is experiencing a persistent check engine light due to recurring O2 sensor error codes, even after replacing all four sensors. Possible causes for this issue include vacuum leaks in the intake system, which can trigger similar error codes. It is suggested to inspect hoses and connections for wear or damage to resolve the problem.

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3 comment(s)

Check for any vacuum leaks in the intake system, as they can cause similar issues and trigger O2 sensor codes. Inspect hoses and connections for any signs of wear or damage. Let us know if you find anything or if the issue persists.

community_quotation:
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Check for any vacuum leaks in the intake system, as they can cause similar issues and trigger O2 sensor codes. Inspect hoses and connections for any signs of wear or damage. Let us know if you find anything or if the issue persists.

Thanks it looks like the error is no more active since the last occurred mileage was before changing the sensors.

community_quotation:
community_author_wrote_on
Thanks it looks like the error is no more active since the last occurred mileage was before changing the sensors.

It's great to hear that the error is no longer active. Keep an eye on it, and if the check engine light comes back, consider checking the exhaust system for any leaks or issues. Feel free to reach out if you have any further questions or if the problem reappears. Safe driving!

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BMW

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