Question about 2001 Nissan Pathfinder

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2002 nissan pathfinder hesitates on exceleration. have replaced o2 sensors on both sides , plug , ect. replaced timing sensor. what else could i check?

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It sounds like you have a faulty TPS (throttle position sensor) sensor, it is an easy fix, and you can get the part from any auto parts store. The TPS sensor is located on the throttle body, and it is held in place with 2 screws and has 1 plug to it. Before you change it, make sure that it is plugged in. Mine did the same thing and somehow the TPS had came unplugged, so I plugged it back in and the issue went away.

Posted on Mar 19, 2011


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Vehicle: 1998 Nissan Pathfinder SE V6 3.3L Problem: Vehicle has been hesitating during acceleration and occassionally stalling. After stopping and restarting, vehicle has been extremely hesitant. The...

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On March 25th I sent my Nissan Pathfinder into a shop to fix a check engine light. The code that came up was P1456-Vapor canister Check Valve. They fixed it. Then April 3rd the check engine light came on...

this is common with heaters they dont last forever aslong as they are willing to show you the different codes at different times there problay being honest dont be suprised if they suggest replaceing all the o2 sensors at once its actually cheaper on diagnostics time and the all should be replaced for the vehicle to run 100 percent on a scan tool you can tell the difference between old and new o2 sensors by the way they react especialy the heaters i hope this helps Thunderboltz

Apr 08, 2010 | 2002 Nissan Pathfinder

1 Answer

What side is my o2 sensor (bank 1 sensor 1) on for 03 nissan pathfinder se with engine facing front. i need to replace it but i dont know which side to purchase.

Bank one is on the side of cylinder one. Cylinder one is typically on the driver side. Although, you have to be careful here. Just because the code mentioned the O2 sensor doesn't mean the sensor is bad. For instance, a code of P0171: sensor indicates lean, bank one sensor; one is not a bad sensor. That is a good sensor telling you that the engine is running lean on bank one. If you get a different code, then it could the be the sensor.

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Possible mass airflow sensor. A cheaper way to get around paying for the super expensive 2001 Path part is to use the same year maxima sensor since they use the same motor :)

Jan 27, 2010 | 2002 Nissan Pathfinder

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OK the sensor may not be bad, you might have a broken wire to the sensor. Or a bad plug, I would by pass the sensor plug - cut it out. Cut one wire at the time and reconect using a crimp on union (bu**) conector. You may also have a timing issue, that a tune up might fix..

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I am changing an o2 sensor on my 1997 nissan pathfinder. Where is the plug located? (it's the driver side rear oxygen senor)

then we are talking the catalytic efficency monitor, it is located behind the cat converter in the exhaust

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