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P0156 Diagnostic Trouble Code Discussion for October 2009

Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control


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Trouble Ticket Help Requests for DTC P0156
Help Request Posted
2002 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZA51452
P0156: oxygen sensor b2s2 inactivity. Hi Group, this windstar sets a code PO156 oxygen sensor b2 s2, I check the sensor replaced with a known good sensor, check battery power on heater circuit and ground, also continuity on circuit 359 Gray and red wire from cavity 91 on pcm connector down to 02 s...
October 09, 2009
2002 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZA51452
P0156: oxygen sensor b2s2 inactivity. Hi Group, this windstar sets a code PO156 oxygen sensor b2 s2, I check the sensor replaced with a known good sensor, check battery power on heater circuit and ground, also continuity on circuit 359 Gray and red wire from cavity 91 on pcm connector down to 02 s...
October 09, 2009