Hummer Forums by Elcova

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- General H3 Discussion (http://www.elcovaforums.com/forums/forumdisplay.php?f=23)

- - O2 sensor (http://www.elcovaforums.com/forums/showthread.php?t=15076)

hummerdonthurtem

10-31-2005 01:00 AM

Where is the O2 sensor?

hummerdonthurtem

10-31-2005 01:00 AM

Where is the O2 sensor?

f5fstop

10-31-2005 08:56 AM

One should be just before the pup cat at the bottom of the exhaust manifold runners; the other should be after the catalyst. Haven't looked, but that is normally their locations.

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