Wednesday, May 30, 2012

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.
chevy o2 sensor

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.

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