P0138 Diagnostic Trouble Code Discussion for February 2008
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
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| 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 |
