FAQ for Oxygen Sensor Repair
Q: What should you do before replacing the heated oxygen sensor (Bank 1 Sensor 1)?
A:
You should raise and suitably support the vehicle.
By BobGM Specialist
02/11/2022 Q: What should you first do before replacing the heated oxygen sensor (Bank 2 Sensor 1)?
A:
You should first raise and suitably support the vehicle.
By BobGM Specialist
02/11/2022 Q: What is the recommended torque when installing the HO2S?
A:
You can tighten the sensor to 42 N.m (31 lb-ft).
By BobGM Specialist
02/11/2022 Q: What should you do if you reinstall the old sensor?
A:
You should coat the threads with anti-seize compound GM P/N 12377953, or equivalent.
By BobGM Specialist
02/11/2022