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O2 Sensor

(1999 Lincoln Navigator)
in Savage, MN on March 12, 2011
can I get a good discrpptive location of the upstream O2 sensor, I will be removing and replacing it.
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Popular Answer
on March 13, 2011
Located on each pipe between the manifold and the catalytic convertrers...bank one and two.
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on December 20, 2017
RADIO green 20A fuse has been removed and placed back. It looks fine by observation - no damages, no color changes. I presume there is the only one fuse, which must be inspected, and there is no such thing as a separate touchscreen fuse, right? Many thanks.
on December 20, 2017
on December 20, 2017
The only one 20A RADIO fuse looks OK to me.
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