P0156 Diagnostic Trouble Code Discussion for October 2009
Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control
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| 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 |
