Before & After Cat O2 Sensors

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Before & After Cat O2 Sensors

07-14-2005, 01:49 AM

Duke2.6

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Join Date: Mar 2003

Location: Southern California

Posts: 2,293

I can't offer any more insight on the O2 sensors other than what I previously mentioned. The second O2 sensor essentially monitors catalyst efficiency. As to why a new primary O2 sensor would correct an air injection fault, I have no idea.

Duke

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