Anyone know these symptoms??
No performance realted symptoms if the rear O2 goes out, only if the cat is extremely clogged or if the sensor is gone on it. Mine has been dead for a couple of months and shows no signs just the CEL.
Junior Member
Joined: Mar 2005
Posts: 21
these are obd2 sensors (on board diagnostic 2) they are feed back sensors for the computer (ecu) o2 is to check the funtion of the converter
vent control valve is to close off the charcoal canister to test for leaks in the system
vent control valve is to close off the charcoal canister to test for leaks in the system
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homewrecker
5th Generation Maxima (2000-2003)
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Aug 24, 2015 08:56 PM