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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

2008 Suburban O2 sensor code P2270

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Old Dec 2, 2014 | 11:55 PM
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Yogi
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From: Genesee, MI.
Default 2008 Suburban O2 sensor code P2270
Today I pulled the code P2270 after my SES light came on. The information i gathered shows that the code indicates that the Bank 1 Sensor 2 was sticking in the lean position. Can anyone on this forum let me know which side of the engiine is referred to as Bank 1? Is Bank 1 on the passenger side of the engine compartment or is Bank 1 on the driver side?
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Old Dec 3, 2014 | 12:07 AM
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73shark
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I believe bank 1 is on the driver's side.
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