FAQ for Oxygen Sensor Repair
Q: How do you install the Heated Oxygen Sensor?
A:
Coat the threads of the HO2S with the anti-seize compound P/N 5613695. Install the HO2S (2) into the exhaust manifold. Connect the engine wiring harness electrical connector. Install the CPA retainer.
By OmarGM Specialist
21/02/2022 Q: How do you remove the Heated Oxygen Sensor?
A:
Raise and support the vehicle. Disconnect the heated oxygen sensor (HO2S) electrical connector. Using the J 39194-B, remove the HO2S (1) from the catalytic converter.
By OmarGM Specialist
21/02/2022 Q: How to check for contamination?
A:
Remove the HO2S and visually inspect the portion of the sensor exposed to the exhaust stream.
By BobGM Specialist
21/02/2022 Q: What should be done when resetting the HO2S resistance learned value and avoiding possible HO2S failure?
A:
Acode is clear 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
10/02/2022 Q: What should be noticed when servicing 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 OmarGM Specialist
10/02/2022 Q: What should be noticed when servicing the heated oxygen sensor?
A:
Do not apply contact cleaner or other materials to the sensor or vehicle harness connectors. Do not damage the sensor pigtail and harness wires in such a way that the wires inside are exposed. Ensure the sensor or vehicle lead wires are not bent sharply or kinked. Do not remove or defeat the oxygen sensor ground wire, where applicable. Ensure that the peripheral seal remains intact on the vehicle harness connector to prevent damage due to water intrusion.
By OmarGM Specialist
10/02/2022 Q: What special tool will I need when servicing the Heated Oxygen Sensor?
A:
You will need a heated oxygen sensor wrench.
By BobGM Specialist
09/02/2022 See more FAQs (2)