Re: P0161 every few days
Yes, use dealer or Denso o2 sensors, other brands will cause problems. The 2/2 sensor however is a downstream sensor, so either its trying to tell you one of the cat's is bad or the sensor is bad, but the downstream sensors are not used for fuel trim adjustments, they just monitor cat efficiency.
My Jeep: 2001 Grand Cherokee Limited, 245/65R17 Falken Rocky Mountain ATS, K&N drop in air filter, Bilstein HD's. De-badged, eagle-eye LED Tails & LED 3rd brake light, Addco front and rear sway bars, Superchips tuned & TM snip, interior 6k LED's, Gen3 ccfl projectors with Volt 6k HID lows, akebono brake upgrade with R1 Concepts premium rotors.