FAQ for Oxygen Sensor Repair
Q: How to install the Heated Oxygen Sensor 2?
A:
You may need to apply a small amount of anti-seize compound to the threads of the HO2S 2, install the HO2S 2 and tighten the HO2S 2 to 42 N.m (31 lb-ft), then connect the HO2S 2 harness connector and push in the connector until a click is heard, then pull back to confirm a positive engagement, finally ensure the HO2S 2 harness pigtail connector is secure to the chassis.
By BobGM Specialist
02/11/2022 Q: What's the installation procedure for the blower motor resistor?
A:
The installation procedure is to install the blower motor resistor, then install the screws to the blower motor resistor and tighten the blower motor resistor screws to 2 N.m (18 lb in), then install the windshield washers and the coolant reservoir for access, connect the electrical connectors, inspect the circuit for proper operation, and install the air cleaner.
By BobGM Specialist
02/11/2022 Q: How to install the Heated Oxygen Sensor 1?
A:
You may need to apply a small amount of anti-seize compound to the threads of the HO2S 2, then install the HO2S 1 to the exhaust manifold, and tighten the HO2S 1 to 42 N.m (31 lb-ft), finally connect the HO2S 1 harness connector and push in the connector until a click is heard and pull back to confirm a positive engagement.
By BobGM Specialist
02/11/2022 Q: What should be done if the BCM fails to accept the program?
A:
You will need to inspect all BCM connections and verify that the Techline Terminal and scan tool have the latest software version.
By BobGM Specialist
02/11/2022 Q: How to remove the Heated Oxygen Sensor 2?
A:
You will need to raise the vehicle, disconnect the HO2S 2 harness connector, then use a liquid penetrate before removing the sensor, and remove the HO2S 2 from the exhaust pipe.
By BobGM Specialist
02/11/2022 Q: What should be noted for the flat wire repairs?
A:
You will need to note that the flat wire within the flex wiring harness is not serviceable. If an open or short exists within the flex wiring harness the complete harness must be replaced.
By BobGM Specialist
02/11/2022 Q: What should be ensured to prepare for BCM programming?
A:
You will need to ensure that the battery is fully charged, the ignition switch is in the RUN position and the data link connector (DLC) is accessible.
By BobGM Specialist
02/11/2022 Q: What's the removal procedure for the blower motor resistor?
A:
The removal procedure is to remove the air cleaner, the windshield washers, and the coolant reservoir for access, then disconnect the electrical connectors, remove the screws from the blower motor resistor, and next remove the blower motor resistor.
By BobGM Specialist
02/11/2022 Q: How to remove the Heated Oxygen Sensor 1?
A:
You will need to disconnect the HO2S 1 harness connector, then remove the HO2S 1 from the exhaust manifold.
By BobGM Specialist
02/11/2022 Q: What should be noticed when replacing the body control module (BCM)?
A:
You will need to ensure that the ignition switch should be in the OFF position when connecting or disconnecting the connectors to the BCM. You should always disconnect the Brown BCM connector first and connect the Brown BCM connector last. The BCM can set DTCs with the ignition switch in the OFF position.
By BobGM Specialist
02/11/2022 See more FAQs (6)