2005 Chevrolet Avalanche: Oxygen Sensor Location Diagram?

Where is O2 sensor located.How many O2 sensors are there on Chevy Avalanche and When to replace the O2 Sensors.

The details with Diagrams are as follows:---


On Chevy Avalanche there are 4 Oxygen Sensors. 2 before the Catalytic converters and 2 after the Catalytic converter:

See the diagram shown below:----
Part number 1,2,10 and 11.



Unlike older vehicles when it was suggested to replace them every 80,000 miles or so, today's O2 sensors only need to be replaced when they actually fail and set a fault code. This is because of the cleaner fuel today as well as more efficient engines that burn less rich than before.


So, its not necessary to replace O2 Sensor after particular miles unless they have failed, dont replace them.

This details will help.
Thanks.

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Where is Oxygen Sensor located on 2001 Chevrolet Truck Silverado?

If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.

The Oxygen Sensor is a device found in the exhaust manifold, which generates a small voltage dependent on the amount of oxygen present in the exhaust stream, used as a signal to the engine-control computer to determine the amount of fuel necessary to maintain a proper air/fuel ratio.



On Chevy Silverado the oxygen sensor is located Under vehicle, passenger side, below seating area, front of catalytic converter, mounted in passenger side exhaust pipe.

 

Application: Without "Y" pipe

Number three.

This is how the Oxygen sensor Basically looks :----

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