My 2002 Toyota Sequoia has P0161 code - what is the best repair?
P0161 Oxygen sensor heater circuit malfunction Bank 2 Sensor 2
The best way to repair this code condition is to replace the 02 sensor, Here is a rear 02 sensor from a Toyota, P0161 is located where cylinder 2 is being sensor 2 this make it the downstream 02 sensor or the catalytic monitor sensor, After so many mileage and use and doing its job, the best repair is to replace it
33.7k questions
32.5k answers
1.3k comments
23.0k users