P0138 Diagnostic Trouble Code Discussion for March 2018
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
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| Help Request | Posted | |
| 2006 Toyota RAV4 Limited 2.4L MIL Lamp on VIN: JTMBD31V86 P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. Vehicle runs OK. Codes reset consistently. On road test A/F ratio sensor(B1S1) seems to fluctuate above & below 3.3V on accel. or deccel. & close to 3.3V on steady throttle. O2 sensor(B1S2)will fluctuate on accel. & deccel. but stays at .8V wit... |
March 07, 2018 |
