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2003 Nissan Pathfinder O2 Sensor location? Forums > > 2003 Nissan Pathfinder O2 Sensor location? 2003 Nissan Pathfinder O2 Sensor location?
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Old 03-10-2018, 03:02 PM
ArashHabib ArashHabib is offline
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2003 Pathfinder
Join Date: Mar 2018
Posts: 1
Default 2003 Nissan Pathfinder O2 Sensor location?

Hi - I have a 2003 Nissan Pathfinder LE that had a "P0174 - System Too Lean Bank 2" code come up during an Emissions test so it failed.

I've cleaned the MAF and that did not work - the service engine light came back on.
I have a driver side sensor one O2 sensor that I purchased to replace (Bank 2 sensor 1) but cannot find any videos on how to replace it.

Does anyone know of a post or video anywhere that someone has walked through how to replace the sensor?

Any help is appreciated!
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Old 03-15-2018, 12:39 PM
SpencerC SpencerC is offline
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2006 Pathfinder
2006 2006 Pathfinder
Join Date: Mar 2018
Location: Utah
Posts: 9

I have an 06 so not sure if it is the same or not. I just replaced all 4 cats and all 4 O2 sensors. The front senors are between the front Cat and the engine. Mine was easiest to access to removing the front tires and the plastic liner.
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location, nissan, pathfinder, sensor

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