Oxygen (O2) Sensor

For testing oxygen sensor, see DTC P013: REAR HEATED OXYGEN SENSOR NOT READY, DTC P017: FRONT OXYGEN SENSOR NOT READY, DTC P042: FRONT HEATED OXYGEN SENSOR LEAN EXHAUST SIGNAL, DTC P043: FRONT HEATED OXYGEN SENSOR RICH EXHAUST SIGNAL, DTC P044: REAR HEATED OXYGEN SENSOR LEAN EXHAUST SIGNAL or DTC P045: REAR HEATED OXYGEN SENSOR RICH EXHAUST SIGNAL in SELF-DIAGNOSTICS -- ALLANTE article.