Toyota Corolla (E120): Oxygen sensor circuit slow response

Dtc p0133 oxygen sensor circuit slow response (bank 1 sensor 1)

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General information
There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...