FAQ for Oxygen Sensor Repair
Q: What is the removal procedure for the heated oxygen sensor-Bank 1 Sensor 2 (1500 Series)?
A:
The procedure is to remove the connector position assurance (CPA) retainer, disconnect the HO2S electrical connector from the engine wiring harness electrical connector and remove the HO2S.
By BobGM Specialist
02/11/2022 Q: What is the recommended torque when installing the HO2S?
A:
You can tighten the sensor to 42 Nm (31 lb-ft).
By BobGM Specialist
02/11/2022 Q: What may cause 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 perform when replacing the HO2S?
A:
You should perform a code clear with a scan tool regardless of whether or not a DTC is set and perform HO2S heater resistance learn reset with a scan tool.
By BobGM Specialist
02/11/2022 Q: What is the first step for replacing the heated oxygen sensor-Bank 1 Sensor 1 (1500 Series)?
A:
The first step is to raise and support the vehicle.
By BobGM Specialist
02/11/2022 Q: When may the oxygen sensor be difficult to remove?
A:
The oxygen sensor may be difficult to remove when the engine temperature is below 48°C (120°F).
By BobGM Specialist
02/11/2022 Q: What is the removal procedure for the heated oxygen sensor-Bank 2 Sensor 2 (1500 Series)?
A:
The procedure is to remove the connector position assurance (CPA) retainer, disconnect the engine wiring harness electrical connector, remove the HO2S electrical connector clip and remove the HO2S.
By BobGM Specialist
02/11/2022 Q: What should you ensure when servicing the heated oxygen sensor?
A:
You should ensure that the peripheral seal remains intact on the vehicle harness connector to prevent damage due to water intrusion.
By BobGM Specialist
02/11/2022 Q: What is the removal procedure for the heated oxygen sensor-Bank 2 Sensor 1 (1500 Series)?
A:
The procedure is to remove the right wheelhouse liner, remove the connector position assurance (CPA) retainer, disconnect the HO2S electrical connector, remove the HO2S clip and remove the HO2S.
By BobGM Specialist
02/11/2022 See more FAQs (4)