Join Now
International Automotive Technicians Network

P0157 Diagnostic Trouble Code Discussion for April 2014

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


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0157
Help Request Posted
2005 Toyota Sienna XLE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TDZA22CX5
P0157: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage. Customer complaint is rough running; pulled codes and test drive. On the test drive vehicle looses power under acceleration, b calculated load is at 87-90%; AFS are at 3.6 to 3.8 B1 and 3.6 to 3.9 B2 rear O2 sensors are at .00 to .05 volts. Fuel trims (at id...
April 29, 2014
2005 Toyota Sienna XLE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TDZA22CX5
P0157: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage. Customer complaint is rough running; pulled codes and test drive. On the test drive vehicle looses power under acceleration, b calculated load is at 87-90%; AFS are at 3.6 to 3.8 B1 and 3.6 to 3.9 B2 rear O2 sensors are at .00 to .05 volts. Fuel trims (at id...
April 30, 2014