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3rd Oxygen Sensor fails after 10k

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06-29-2011, 05:35 PM

Blue94

Registered User

Join Date: Dec 2002

Location: Salt Lake City, Utah

Posts: 102

3rd Oxygen Sensor fails after 10k

So I have replaced the left side/driver side O2 sensor 3 times in 10K miles. Each time it lasts for several months to a year ( don't drive it that much ) then the CEL light will come on and I pull a #37. I am wondering if something is causing it to fail i.e. a fault Cat maybe? Any way to test the sensor?

Thanks, Dust

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