P0161 02 Sensor Heater Circuit Bank 2 Sensor 2

Instead a faulty downstream heated oxygen sensor will be set as p0141 or oxygen sensor heater circuit malfunction bank 1 sensor 2. Oxygen o2 sensor circuit low voltage bank 2 sensor 2 what does that mean. It sends critical feedback data to the power train control module or pcm that tracks the operational efficiency of the catalytic converter.

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This test checks whether the o2 sensor for bank 1 sensor 2 if fired or not.

P0161 02 sensor heater circuit bank 2 sensor 2.

This diagnostic trouble code dtc is a generic powertrain code which means that it applies to obd ii equipped vehicles. O2 sensor heater circuit malfunction bank 1 sensor 2 what the p0141 code means. O2 sensor heater circuit malfunction bank 2 sensor 2 downstream code p0161 meaning heated oxygen sensors contain heating elements to help them get to operating temperature quickly in order to minimize the amount of time spent before they can provide feedback to the powertrain control module. Code p0161 stands for ho2s heater performance bank 2 sensor 2.

The p0161 trouble code identifies that there is a problem with the heater control circuit in the bank 2 sensor 2 oxygen sensor. If your vehicle only has four cylinders it will only have one bank and typically one downstream sensor so it can t trigger this code. Test 3 oxygen heater element s ohming. 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 the p0161 code means. You will test the oxygen sensor and not the sensor harness connector. Vehicle emissions could be increased due to this problem. 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.

P0161 is a very common obdii code that occurs in the chevy corvette it is typically caused by a failure in one of the elements that heat the oxygen sensors specifically bank 2 sensor 2. P0161 description the powertrain control module supplies a bias voltage approximately 450 mv on the heated oxygen sensor ho2s signal high and low circuits when you turn the ignition to the on position battery voltage is supplied to the ho2s heater. The p0161 code only applies to cars with v6 or v8 engines. Bank 2 refers to the side of the engine opposite the 1 cylinder.

P0161 oxygen o2 sensor circuit low b2s2 technical description. P0141 is the obd ii generic code indicating the engine control module ecm has tested the o2 sensor heater circuit and detects a problem with the bank 1 sensor 2 oxygen sensor heater circuit. Note that you may need to check the entire black wire with white stripe between the pcm connector and the o2 sensor connector. Although generic the specific repair steps may vary depending on make model.

This indicates the pcm has detected a problem with heater circuit of the downstream oxygen sensor. Replacing the oxygen sensor will fix the problem a majority of the time.