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it's the thing sticking out of the exhaust with a wire attached to it...if it doesn't have one and it's causing problems then you probably have an aftermarket exhaust and you need to weld a bung on the exhaust to attach one

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14y ago

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2001 Nissan Sentra 02sensor p0160?

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Where is o2 sensor located on a 2000 Nissan Sentra?

On a 2000 Nissan Sentra, the oxygen (O2) sensors are typically located in two places: one is positioned in the exhaust manifold before the catalytic converter (upstream O2 sensor), and the other is located after the catalytic converter (downstream O2 sensor). To access them, you may need to raise the vehicle and work underneath, as they are threaded into the exhaust system. Be sure to disconnect the electrical connectors before attempting to remove the sensors.


How many oxygen sensors in 2004 Nissan Sentra?

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Why does my 2001 Nissan sentra sometimes sputter when at a stop?

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