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Usually on all vehicles the oxygen sensors are on the exhaust manifold and catalytic converter. On Caravans this is definitely true. The upstream O2 sensor is on the exhaust manifold which is in the front, and the downstream O2 sensor is on the Catalytic Converter which attaches to the exhaust manifold, looks like a small oddly shaped muffler in the middle of the underside of the engine compartment leading to the exhaust system.

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13y ago

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