2002 QX4 Oxygen Sensors

A forum for the legendary Nissan Pathfinder and Infiniti QX4.
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Israelpr
Posts: 36
Joined: Sun Sep 11, 2011 12:43 pm
Car: 2002 Infiniti QX4, 6 cylinder, 2WD

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Where are the oxygen sensors (1and 2, Bank 1) located (passenger or driver side) and how/where do I order them?

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Towncivilian
Posts: 4868
Joined: Sun May 23, 2010 10:21 am
Car: 2001.5 Nissan Pathfinder SE 3.5L 2WD A/T
2007 Nissan Altima 2.5L CVT
2012 Nissan Sentra 2.0L CVT Special
2012 Infiniti G37 Sedan 7A/T
Location: Florida, USA
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See this exploded parts view for the location.

The OEM for our oxygen sensors is Bosch. You can purchase direct-fit O2 sensors from Advance Auto Parts (bank 1, bank 2) - be sure to order online, use discount codes, then pick-up in store. I've used a Bosch OE-fit O2 sensor for my driver's side post-cat and have not had any issues, and the fitment is perfect.
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