This is what I got from my LR3 2005, any idea what to do with this

P0056 heated oxygen sensor heater control circuit (bank 2, sensor 2)

It's normal or dangerous stuff to leave it as is?

 

I can't remember off the top of my head which side is bank 2, but sensor 2 should be one of the downstream oxygen sensors. You can try replacing the sensor and see if the code goes away, but there are many times where the problem may be something else and since the oxygen sensor lies downstream in the exhaust, it just catches other things that may be wrong.

 

Anytime an engine codes, is not normal. The system has a fail somewhere and is telling you it needs looked at. O2 sensors also warn that you may be ready to destroy a very expensive catalytic converter. Sometimes a reset and a fuel system flush will help, but I do not know the miles or how you drive and the sensors are a 60K-100K maintenance change.

 

Dear All

Which replacement recommended then for this sensor, this car (left hand drive) already run 193,000 kms.


For example


It's mentioned upstream right

Another similar product mentioned downstream right

which one is correct one?

Thanks

 

OK, I ordered these but have not installed yet..

2 of Denso 234-9075 Oxygen Sensor (Air and Fuel Ratio Sensor)

1 of Denso 234-4266 Oxygen Sensor (Air and Fuel Ratio Sensor)

1 of Denso 234-4265 Oxygen Sensor (Air and Fuel Ratio Sensor)