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P0031 Diagnostic Trouble Code Discussion for February 2006

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
2000 Mazda MPV DX 2.5L No Start VIN: JM3LW28G8Y
P0031: HO2SII Circuit low voltage. ... check engine lamp with 3 codes, P0031-low O2 circuit voltage on HO2SII, P0174-bank 2 lean, P0304-cylinder #4 misfire detected. It is also ready for a local OBDII emissions test. We were unable to access the OBDII side of this computer with our Genesis, so ...
February 07, 2006