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Where is the upstream o2 sensor on a 97 Dodge Grand Caravan AWD 3.8?
Lillyalise214
^^
This isn't true as it's not possible to see / reach behind the engine on a 1997 Caravan from the hood. It's possible the visualize the sensor from the top, but not easily, and you certainly cannot 'access' it without removing a number of parts. The upstream O2 sensor must be reached from underneath the vehicle by following the exhaust up. It's not the easily-seen one just dangling down under the car. Follow the pipe on which that one is located, up about 2 feet, and the sensor will be up there, mounted on top of the exhaust manifold where it's difficult to visualize. The wire is less than a foot long and you can also see the plastic clip from this angle.
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∙ 10y ago
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