What code is P0161?
What the P0161 code means. This code means that the bank 2 sensor 2 oxygen sensor is not warming up properly due a problem in the oxygen sensor heater circuit. Vehicle emissions could be increased due to this problem.
What causes code P0161?
Code P0161 sets when the Powertrain Computer or PCM has determined that the Oxygen Sensor Heating Circuit is malfunctioning. This means that the Heating Circuit is using too little or too much electrical power.
Where is heated oxygen sensor located?
Heated Oxygen Sensors Oxygen sensors are located in the exhaust manifold or exhaust pipe of the engine’s exhaust system. The sensor measures the oxygen content in the exhaust stream and sends an analog voltage signal to the ECM that varies between 0 and 1 volt.
What does the OBD-II code p0161 mean?
Share it! What Does P0161 Code Mean? OBD-II Code P0161 is defined as a Oxygen Sensor Heater Circuit Malfunction (Bank 2, Sensor 2) The rear Oxygen Sensor is located in the exhaust system behind the catalytic converter (s).
What does p0161 mean on ho2s Bank 2?
Code P0161 stands for HO2S heater Performance Bank 2 Sensor 2. This indicates the PCM has detected a problem with heater circuit of the downstream oxygen sensor. Bank 2 refers to the side of the engine opposite the #1 cylinder. If you’ve got a four-cylinder, there will only be one bank, and you would not get this code.
Why is my O2 sensor code po161?
I replace my O2 sen cause I was having PO161 CODE after replacing my O2 sensor the CEL turned-off. 20 miles later PO141 and PO161 came back on. Any idea what is going? I order a replacement O2 SEN part thinking it’s defective.
What is the code for an OBD-2 problem?
OBD-II Code P0161 is defined as a Oxygen Sensor Heater Circuit Malfunction (Bank 2, Sensor 2) The rear Oxygen Sensor is located in the exhaust system behind the catalytic converter(s). It sends critical feedback data to the Power Train Control Module or (PCM) that tracks the operational efficiency…