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GMC
Suburban
Engine
Oxygen Sensor
Location
O2 sensor locations
RONDOG
MEMBER
1999 GMC SUBURBAN
V8
2WD
AUTOMATIC
140,000 MILES
I bought the 4 o2 sensors and would like the locations of them
Friday, January 23rd, 2009 AT 8:01 PM
1 Reply
KASEKENNY
MECHANIC
18,907 POSTS
I will attach the info below but here are a number of guides that will help with testing and replacing them:
https://www.2carpros.com/articles/how-to-test-an-oxygen-sensor-02-sensor
https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor
Below is the process from manual on how to locate and replace these.
Please let us know if you have other questions. Thanks
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Tuesday, July 6th, 2021 AT 7:29 PM
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