P0155 Mitsubishi - where is this sensor located in a 97 3000 gt ?

Question

I have a p0155 code bank 2sensor 1 but I can't locate the sensor . Can someone tell me where this is exactly located ?

Answer 1

P0155 Oxygen heater circuit malfunction Bank 2 Sensor 1

Bank  2 is where cylinder 2 is located at, Being sensor 1 this would be the upstream or engine monitor 02 sensor.

Here cylinder firing order, the front of the vehicle this is Bank 1, the other Bank is Bank 2, being sensor 1 this is the first 02 sensor before the catalytic convertor