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Oxygen Sensors
Ford Expedition Eddie Bauer
Ford Expedition XLT

How many oxygen sensors are there on a 2002 Ford Focus ZX5?

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2015-02-24 12:22:51
2015-02-24 12:22:51

2, one before the cat (upstream) and one after the cat (downstream).

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2 one in front of the converter and one after

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The Ford Focus Wagon has two. One before the catalytic converter (called the upstream) and one after (downstream) Most cars have 2 or more oxygen sensors. Most cars have 2 or more oxygen sensors.

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Only two, upstream and downstream.

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Just after the air filter, toward the engine.


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