FAQ for Oxygen Sensor Repair
Q: What is the proper situation to remove the oxygen sensor?
A:
Removal of the oxygen sensor is easier when the engine temperature is above 48°C (120°F).
By BobGM Specialist
02/11/2022 Q: How should you deal with the oxygen sensors properly?
A:
Handle the oxygen sensors carefully to prevent damage to the component. Keep the electrical connector and the exhaust inlet end free of contaminants. Do not use cleaning solvents on the sensor. Do not drop or mishandle the sensor.
By BobGM Specialist
02/11/2022 Q: What should you better do when installing the original sensor?
A:
If you are installing the original sensor, apply anti-seize compound GM P/N 5613695 or equivalent to the sensor threads.
By BobGM Specialist
02/11/2022 Q: What should you do when replacing the HO2S?
A:
You need to clear codes with a scan tool, regardless of whether or not a DTC is set. HO2S heater resistance learn reset with a scan tool, where available,.
By BobGM Specialist
02/11/2022 Q: What is the recommended torque for the HO2S?
A:
The recommended torque is 40 N.m (30 lb-ft).
By BobGM Specialist
02/11/2022 Q: Can you remove the pigtail from the heated oxygen sensor or the oxygen sensor?
A:
No, do not remove the pigtail from either the heated oxygen sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will affect sensor operation.
By BobGM Specialist
02/11/2022 Q: What should you notice about the Heated Oxygen Sensor Wire?
A:
You need to notice not to solder heated oxygen sensor wires.
By BobGM Specialist
02/11/2022 Q: What can result in the contamination of the oxygen sensor?
A:
Contamination of the oxygen sensor can result from the use of an inappropriate RTV sealant (not oxygen sensor safe) or excessive engine coolant or oil consumption.
By BobGM Specialist
02/11/2022 Q: What should you know about the Excessive Force and Oxygen Sensor?
A:
The oxygen sensor may be difficult to remove when the engine temperature is below 48°C (120°F). Excessive force may damage threads in the exhaust manifold or the exhaust pipe.
By BobGM Specialist
02/11/2022 See more FAQs (4)