P2197 Diagnostic Trouble Code Discussion for December 2022
Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Lean
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| Help Request | Posted | |
| 2012 Ford Expedition EL Limited 5.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FMJK2A53C P2197: B2S1 Biased lean. The vehicle came in with the complaint of an extended crank time and rough idle when cold, almost stalling. It apparently had been to the dealer a couple of times and the found nothing. Codes indicate left bank biased lean, misfire at startup. It cleared u... |
December 15, 2022 |
