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P0135 Diagnostic Trouble Code Discussion for October 2012

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0135
Help Request Posted
2004 Ford F-350 Super Duty XL 5.4L MIL Lamp on VIN: 1FDSF34L24
P0135: 02 heater fault bank 1 sensor 1. Vehicle came in with three codes po135, po155, p1450 first tech installed upstream 02 sensors, codes came back . Next visit tech found identifix for possible alternator/ voltage regulator concern, observing data strean counld monitor 02 heaters being turned o...
October 03, 2012
2000 Mercury Mystique GS 2.0L MIL Lamp on VIN: 1MEFM653XY
P0135: bank 1 sensor 1 heater circuit. This is a new car to us. Customer just purchased it. Brought the car in for a check engine light last week. Found PO131 no O2 sensor activity B1S1. Found faulty O2 sensor and replaced it. All was normal with activity and O2 seemed normal. Customer called a cou...
October 10, 2012
2004 Ford F-350 Super Duty XL 5.4L MIL Lamp on VIN: 1FDSF34L24
P0135: 02 heater fault bank 1 sensor 1. Vehicle came in with three codes po135, po155, p1450 first tech installed upstream 02 sensors, codes came back . Next visit tech found identifix for possible alternator/ voltage regulator concern, observing data strean counld monitor 02 heaters being turned o...
October 03, 2012
2000 Mercury Mystique GS 2.0L MIL Lamp on VIN: 1MEFM653XY
P0135: bank 1 sensor 1 heater circuit. This is a new car to us. Customer just purchased it. Brought the car in for a check engine light last week. Found PO131 no O2 sensor activity B1S1. Found faulty O2 sensor and replaced it. All was normal with activity and O2 seemed normal. Customer called a cou...
October 10, 2012