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The 2006 thru 2009 Pontiac Torrent O2 sensors are located in various locations, depending upon the engine type. The 3.4L engine has two (2) sensors. One is located just downstream of the catalytic converter (screwed into the side of the exhaust pipe. The second sensor is located on the exhaust manifold on the aft side of the engine. It is screwed into the top of the manifold and VERY hard to get to.

The 3.6L engine has four (4) O2 sensors, two in the manifold and two down stream of the catalytic converter.

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14y ago

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