P2197 Diagnostic Trouble Code Discussion for January 2012
Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Lean
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| Help Request | Posted | |
| 2004 Ford F-150 Lariat 5.4L Poor Idle Quality, MIL Lamp on P2197: O2 Stuck Lean. This F-150 has Lean DTC's and A/F and O2 Stuck lean DTC's for both banks. Has a rough idle, occasionally stalls. Restarts no problem and seems to drive fine off idle. Short term fuel trims are maxed out at 45% and still no voltage output from the Oxygen sensor... |
January 10, 2012 |
