How many O2 sensors does a 2002 Nissan Pathfinder have?
There are at least two oxygen sensors on a Nissan Pathfinder, one in front of the catalytic converter and one behind. The reason for this is to measure the amount of unburned fuel going in to the converter and the amount of emissions coming out.
Where can I buy an oxygen sensor for my Nissan Pathfinder?
The oxygen sensors can be purchased from the dealership if you want OEM parts, or they are also available from any auto parts store as aftermarket replacement parts. Raise the front of the truck with a jack and support it with jack stands placed under the frame.
How to change the oxygen O2 sensor on a Nissan?
How to Change the Oxygen O2 Sensor on a Nissan In this guide, you will find instructions on how to replace the oxygen sensor on a Nissan, also known as the O2 sensor. While the pictures in this guide are from a Nissan Quest, they apply to other Nissan models, including the Altima, Maxima, Rogue, and Frontier.
What happens when your oxygen sensor goes bad?
Here are the most common symptoms of a bad oxygen sensor in your Pathfinder: More often than not, when an oxygen sensor in your Pathfinder goes bad, it will throw a diagnostic trouble code. There are many oxygen sensor related codes.
Where is the oxygen sensor on a Nissan Quest?
Here is the location of the upstream O2 sensor or Bank1 Sensor1 on a Nissan Quest. The downstream oxygen Bank 1 Sensor 2 sensor has to be accessed from underneath the engine. You will need to remove the bottom splash shield. Disconnect the oxygen sensor electrical connectors.
The oxygen sensors can be purchased from the dealership if you want OEM parts, or they are also available from any auto parts store as aftermarket replacement parts. Raise the front of the truck with a jack and support it with jack stands placed under the frame.
What causes the p0138 code on a Nissan Pathfinder?
Here are the most common issues that cause the P0138 code in the Nissan Pathfinder. They are presented in order (somewhat) of most to least likely to cause the problem. Bad Oxygen Sensor – The O2 sensor itself is one of the most likely reasons that P0138 is triggering your service engine soon light.
Here are the most common symptoms of a bad oxygen sensor in your Pathfinder: More often than not, when an oxygen sensor in your Pathfinder goes bad, it will throw a diagnostic trouble code. There are many oxygen sensor related codes.
What is the OBDII code on a Nissan Pathfinder?
P0138 is a common OBDII code that occurs in many vehicles, including the Nissan Pathfinder. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more There are also some less likely problems that can cause P0138. We’ll go over those below.