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P1141 Diagnostic Trouble Code Discussion for September 2014

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Input


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Trouble Ticket Help Requests for DTC P1141
Help Request Posted
1999 Mazda Protege DX 1.6L Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: JM1BJ2224X
P1141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Input. I have checked all wires to ecm from maf for continuity--all good--no shorts or opens. Ground and power are there, and good. My problem lies in the light green/black wire to MAF--only .043 volts, both at the ecm and MAF. with MAF plugged in, the vehicle will b...
September 20, 2014
1999 Mazda Protege DX 1.6L Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: JM1BJ2224X
P1141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Input. I have checked all wires to ecm from maf for continuity--all good--no shorts or opens. Ground and power are there, and good. My problem lies in the light green/black wire to MAF--only .043 volts, both at the ecm and MAF. with MAF plugged in, the vehicle will b...
September 23, 2014