P0161 Oxygen O2 Sensor Circuit Low B2S2 Technical DescriptionOxygen O2 Sensor Circuit Low Voltage (Bank 2, Sensor 2)What does that mean?This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific ...
However, if the ECM senses the sensor is inactive, this code will set.SymptomsThere may be no visible symptoms to the driver, other than the MIL (Check Engine / Service Engine Soon) illumination.CausesA code P0137 may mean that one or more of the following has happened:...
Essentially the same as P0136 and P0137 and P0131, a P0151 code refers to the first oxygen sensor on Bank 2 . P0151 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes.This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 2 ...
The simplest thing to do is to reset the code and see if it comes back.If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions:...