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P0158 Diagnostic Trouble Code Discussion for March 2012

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

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Trouble Ticket Help Requests for DTC P0158
Help Request Posted
2007 Toyota Tundra SR5 5.7L MIL Lamp on VIN: 5TFBV54157
P0158: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage. Truck came in with P0158, Oxygen Sensor Circuit Voltage High (Bank 2 Sensor2) Turned off light and test drove. Under load at hiway speed light came back on. Reading was higher B2 than B1 so we changed the sensor. Re drove and light came back on. Swapped rear s...
March 14, 2012