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O2 sensor
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08-23-2008, 12:14 AM
Braveheart7
Hummer Veteran
Join Date: Dec 2005
Posts: 62
O2 sensor
Check engine light came on.
code for
Bank 1, 1st O2 sensor
looking at the engine from the front which is bank 1 ?
and the first sensor is that the one closest to the manifold?
thanks
Braveheart7
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