Middle - Located in Center Exhaust
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Reports exhaust gas temperature to the engine control unit
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Catalytic Converter Rearward
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Monitors exhaust gas temperatures for air/fuel ratio
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Connects to the catalytic converter
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Reports exhaust gas heat to the engine computer
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Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.