You do have 4 sensors. There should also be a sensor 1 or sensor 2 reading coming up also.
2 are called upstream and 2 called downstream.
Bank 2 sensor 1 ford. If your engine is showing a code such as po153 upstream heated o2 sensor circuit slow response bank 2 youll need to find your oxygen sensor locations to replace the bad unit. I bought an actron scan tool and it tells me the 2 sensor is bad on the bank 2 side thats the passenger side from what i understand. P0141 ford tech notes the code means that there is a problem with the heater element circuit of the heated oxygen sensor.
Removing rusted stuck oxygen sensors the easy way. A mechanic read the code said was proably answered by a verified ford mechanic. Bank 1 is the side of the engine with cylinder 1.
I have a ford f150 1998 46l 4×4. The engine light is on. The control module monitors how long it take the sensor to warm up and start sending an adequate signal.
In this video i explain how to understand oxygen sensor locations bank 1 and bank 2. Getting a p0151 on o2 sensor bank 2 sensor 1 it is a 2011 f 150 ecoboost. Bank refers to passenger and drivers side sensors.
Ford quick tips 81.