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Old 10-02-2010, 02:59 PM   #1
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Location of Upstream, Downstream 02 Sensors?

Where are the upstream and downstream 02 sensors located on a 2004 TJ 6cyl. There is one on the pipe going from the manifold to the cat converter...but not one after the cat? thks

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Old 10-02-2010, 03:22 PM   #2
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Mine has two before the converters and the two on each pipe after the converters on the down pipes. I don't have an sensor after the cat above the skid pan.
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