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P0156 Diagnostic Trouble Code Discussion for March 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
2001 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FAFP45X51
P0156: Output voltage of downstream HO2S 22 not within calibrated limits. I had this vehicle come in with a code P0156. Which is Bank 2 Sensor 2 oxgen sensor. I replaced it with a oem ford sensor and it is still throwing the same code. I am getting no mv in data but all the others are good. I have no exhaust leaks and cannot seem to...
March 21, 2009