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How important is the catalytic converter and manifold exhaust in a Volvo 740 1991?
Wiki User
∙ 14y ago
As important as it is on any other car. One keeps vehicle emissions to US Government regulations and the other flows your exhaust away from the engine. Though I'm guessing you're asking because it has an O2 sensor in it which is used to help the ECU monitor vehicle efficiency, air/fuel ratio, and other aspects of your car. In other words, it wouldn't run right.
Wiki User
∙ 14y ago
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Where is oxygen sensor in 2000 dodge grand caravan 3.0 engine?
The upstream sensor is screwed into the rear exhaust manifold. The downstream is screwed into the catalytic converter.The upstream sensor is screwed into the rear exhaust manifold. The downstream is screwed into the catalytic converter.
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