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P0031 Diagnostic Trouble Code Discussion for April 2015

Air Fuel Sensor (Bank 1 Sensor 1) Heater Control Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0031
Help Request Posted
2003 Toyota Camry SE 2.4L MIL Lamp on VIN: 4T1BE32K13
P0031: Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Low Input. vehicle came in with replacement 02 sensor customer's son had installed. we found copper never seize in the electrical plug. we cleaned connection and cleared codes. code returned after several days of driving. replaced o2 sensor with cali emissions o2. we cal...
April 27, 2015