October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

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.