Question about 1997 Chevrolet Tahoe
O2 is a sensor. You could try replacing the correct one (up to 4 o2 sensors are possible any given vehicle). If check engine light is still on, have the codes cleared, have scan performed again to get the fault codes for possibly the specific o2 sensor. Hope this is helpful.
Posted on Apr 26, 2010
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Posted on Jan 02, 2017
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