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P0155 Diagnostic Trouble Code Discussion for August 2018

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2006 Ford F-250 Super Duty XLT 5.4L MIL Lamp on VIN: 1FDNF21546
P0155: B2s1 heater circuit fault. Hi all, Anybody experiencing this conditions? Tested, got power at all 4 02s (12v) placed the test light between both heaters wires engine start light on solid. Bidirectional control evap purge circuit with scanner it lite up the test light. Road test...
August 13, 2018