P2197 Diagnostic Trouble Code Discussion for May 2011
Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Lean
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| Help Request | Posted | |
| 2006 Ford E-350 Super Duty 5.4L MIL Lamp on VIN: 1FTSS34L56 P2197: b1s1 o2 sensor stuck lean. ... dtc. The p2197 code has returned. I switched the sensor with known good one and the reaings from b1s1 remain the same. |
May 13, 2011 | |
| 2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616 P2197: O2 signal biased stuck lean bank 2. Customer says engine was misfiring,pinging and loss of power.When I first scanned PCM and pulled those codes shown.STFT was +40 to 50% increase on both banks and No LTFT's at all,looked to be disabled? The fuel pump duty cycle is 100% all the time.Fuel pressur... |
May 13, 2011 | |
| 2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616 P2197: O2 signal biased stuck lean bank 2. Customer says engine was misfiring,pinging and loss of power.When I first scanned PCM and pulled those codes shown.STFT was +40 to 50% increase on both banks and No LTFT's at all,looked to be disabled? The fuel pump duty cycle is 100% all the time.Fuel pressur... |
May 14, 2011 |
