For Nissan sunny 2004. error code P0135 please inform me the location of the faulted sensors

Question

would you please inform me the location of the faulted sensor or elements related to the error code P0135 in Nissan sunny 2004 engine size 1.6

thanks in advances.

Answer 1

The location for this , it is the first 02 sensor,P0135 is heater circuit Bank 1 Sensor 1, Your engine being a 1.6 only has one Bank, Sensor 1 is the engine management  sensor or what is called the upstream 02 sensor, this is the sensor before the catalytic convertor

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