What does sensor 1 bank 2 mean

Oxygen sensors are located within the exhaust stream, there is at least one oxygen So then if your diagnostic code is B1 S2 that means Bank 1 Sensor 2 down. P O2 Sensor Signals Swapped Bank 1 Bank 2 Sensor 1 This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. In a nutshell, a P code means that the vehicle's computer (the PCM or powertrain control module). Q: Trying to order an o2 sensor for my Avalon. Code said bank2 sensor1 so is that downstream or ustream and is it left or right My car has an.

It sounds really confusing with all the “Bank 1 Sensor 2 etc” but if you have To find out how you can find out which side is bank 1 vs bank 2. O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) This Diagnostic Trouble Code (DTC) does not need to be attended to immediately. Code P O2 Sensor Circuit High Voltage (Bank 1, Sensor 2). Oxygen sensor 2 is the downstream oxygen sensor in relationship to the.

I found out what that means, but I don't know where the " bank 2" oxygen sensor is located. Janet Fayette Bank 2 is the right (passenger side) of your vehicle. my system has single exhaust and only 2 sensors and i still hae no idea 1 upstream and one down stream. they are both new but the wirinf on.