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P0138 Diagnostic Trouble Code Discussion for February 2008

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0138
Help Request Posted
2005 Toyota Avalon Limited 3.5L MIL Lamp on VIN: 4T1BK36B75
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. I have a Toyota with a po138, high Ho2 sensor voltage. We replaced the sensor but still have the code. The STFT on both banks are almost the same. It is about 1-2% higher on bank 1. The AFS is also slightly high but it is operating quickly like it shoould. B1S...
February 06, 2008
1996 Jeep Grand Cherokee Limited 4.0L No Start VIN: 1J4G2B8S7T
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. I am looking for a little direction on this unfamiliar vehicle. Was towed in after a roadside service organisation had condemned the distributor for excessive side play after it lost power and stopped. When it arrived it started right up and hasn't stopped sin...
February 13, 2008
2005 Toyota Avalon Limited 3.5L MIL Lamp on VIN: 4T1BK36B75
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. I have a Toyota with a po138, high Ho2 sensor voltage. We replaced the sensor but still have the code. The STFT on both banks are almost the same. It is about 1-2% higher on bank 1. The AFS is also slightly high but it is operating quickly like it shoould. B1S...
February 15, 2008
2005 Toyota Avalon Limited 3.5L MIL Lamp on VIN: 4T1BK36B75
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. I have a Toyota with a po138, high Ho2 sensor voltage. We replaced the sensor but still have the code. The STFT on both banks are almost the same. It is about 1-2% higher on bank 1. The AFS is also slightly high but it is operating quickly like it shoould. B1S...
February 06, 2008
1996 Jeep Grand Cherokee Limited 4.0L No Start VIN: 1J4G2B8S7T
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. I am looking for a little direction on this unfamiliar vehicle. Was towed in after a roadside service organisation had condemned the distributor for excessive side play after it lost power and stopped. When it arrived it started right up and hasn't stopped sin...
February 13, 2008
2005 Toyota Avalon Limited 3.5L MIL Lamp on VIN: 4T1BK36B75
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. I have a Toyota with a po138, high Ho2 sensor voltage. We replaced the sensor but still have the code. The STFT on both banks are almost the same. It is about 1-2% higher on bank 1. The AFS is also slightly high but it is operating quickly like it shoould. B1S...
February 15, 2008