Question about 2002 Pontiac Montana
Where is o2 sensor located?
The o2 sensor is on you exhaust pipe between or on the catlic converter
Posted on Jun 25, 2014
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Posted on Jan 02, 2017
SOURCE: Upstream O2 sensor location?
That is the first sensor closest to the engine. The downstream sensor is the one behind the converter.
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Posted on Aug 31, 2008
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