Follow these steps to fix the P0161 error: Connect the OBD-2 scanner. Check for the displayed error codes. Diagnose the reason for the error without causing a failure in the downstream oxygen sensor system. See if the problem is with the power relay of the sensor or the wiring. Splicing the Labor: 1.0. To diagnose the P0161 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. The P0161 code only applies to cars with V6 or V8 engines. 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. Instead, a faulty downstream heated oxygen sensor will be set as P0141 or Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2) . The first step in diagnostics for a P0161 trouble code is to perform a visual inspection of the wiring for the bank 2 sensor 2 oxygen sensor. Many times this code will be set due to damaged wiring. This can be caused by either the wiring being routed incorrectly or by road hazards that caused damage to the wiring. How to repair P0161 Mercedes-Benz code HO2S Heater Performance Bank 2 Sensor 2 The Powertrain Control Module (PCM) supplies a bias voltage (approximately 450 mV) on the Heated Oxygen Sensor (HO2S) signal high and low circuits. P0161 is a very common OBDII code that occurs in the Chevy Silverado. It is typically caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 2 sensor 2. Replacing the Oxygen sensor will fix the problem a majority of the time. Some of the other causes of P0161. .

how do i fix code p0161