Having problems with your 2001 Chevrolet Blazer ?

Looking to repalace oxygen sensors on my 2001 blazer. I don't have a repair manual but need to know the locations of them on the block.

Posted / edited by AnonymousUser on : 15-01-2018

Answers :

The o2 sensors are in the exhaust system.#1 is before the catalytic convertor and #2 is after the convertor,#1 is the most failed sensor.
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