P0161 Diagnostic Trouble Code Discussion for July 2017
Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance
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| Help Request | Posted | |
| 2003 Ford Escape XLT 3.0L MIL Lamp on VIN: 1FMYU03113 P0161: O2 heater circuit B2 S2. Before I replace sensors, I've confirmed power and ground for sensor 2 heater. The same codes pops up after short driving. PCM grounds are all checked out O.K. I've also checked heater circuits from sensors to PCM for short or open wiring and it turned out to ... |
July 20, 2017 |
