01-19-2021, 08:56 PM
HO2S Heater Resistance
Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit.
Cause:
Faulty heated oxygen sensor
Heated oxygen sensor harness open or shorted
Heated oxygen sensor circuit poor connection
Symptoms:
Check engine light
Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit.
Cause:
Faulty heated oxygen sensor
Heated oxygen sensor harness open or shorted
Heated oxygen sensor circuit poor connection
Symptoms:
Check engine light
![[-]](https://throttlefix.com/forum/images/bootbb/collapse.png)