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Check Engine- which sensor?

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Old Jun 23, 2022 | 11:38 AM
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Default Check Engine- which sensor?
I have the check engine light on. Sounds like it is an O2 sensor on ‘bank 2’. Passenger side? How can I determine if it’s #1 or #2 without going to dealer? Thx.
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Old Jun 23, 2022 | 01:21 PM
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That would be sensor 2 … back of cat.
And yes passenger side.
BTW do you know you do not need the code reader? C5 has built in reader.
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Old Jun 23, 2022 | 06:45 PM
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You may have a bad cat...not a bad O2 sensor !!


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