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P0037 TOYOTA -

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I have a 2007 Toyota Corolla. I am receiving engine code P0037, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2. Which sensor do I need to replace, the one between the engine and catalytic converter or the sensor downstream of the catalytic converter?

Vehicle: 2007, Toyota Corolla

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You will want to replace the O2 sensor after the converter. The code is for sensor 2

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