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Reply With QuoteSounds like your o2 is covered in mud, they have to breathe, for real.Originally Posted by Brians4x4
You need to check wires & connectors for damage or contamination.
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This is a discussion on O2 sensor within the Exhaust forums, part of the Performance category; I've had a check engine light for about two weeks and emmisions testing is coming up so I took my ...
I've had a check engine light for about two weeks and emmisions testing is coming up so I took my Tahoe to advance auto and got it scanned. The man working there said I had low input on my second bank o2 sensors. He said it could be wiring or defective o2 sensor. It happened a couple days after I took it threw some mud pits. What should I do to test them or fix the problem?
Sounds like your o2 is covered in mud, they have to breathe, for real.
You need to check wires & connectors for damage or contamination.
Nutkick?
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