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Repair guides and support for cars, trucks, and SUVs manufactured by GMC.

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O2 sensor on a 2015 GMC terrain

Where to find the O2 sensor for 2016 GMC Terrain

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1 Answer

The O2 Sensor is located on the Exhaust Pipe between the Exhaust Manifold and the Muffler. It will have a wire harness attached to it.

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