Question about 1999 Chevrolet Blazer

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How do I replace the oxygen sensor in my '99 chevy blazer? Does it have to be done by a mechanic?

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  • Anonymous Mar 25, 2009

    i was told that i have to replace my 02 sensor on my 97 blazer i waqnt to do it my self but dont know where they are can you help

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No all you need is oxygen sensor socket it located on the actual exhaust pipes. Its just screw in exhaust system and has an electrical plug. Very simple Good luck and thanks for using FIX YA

Posted on Jan 25, 2009

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here is a link to a YouTube video of the job, all sensors are basically the same.

http://www.youtube.com/watch?v=LFR8Numjy7M

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