P2197
Moderate
Powertrain
O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1)
Common Causes
Failing Bank 2 upstream O2 sensor
Exhaust leak Bank 2
Actual lean condition Bank 2
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Quick Info
| Code | P2197 |
| System | Powertrain |
| Severity | Moderate |
Disclaimer
This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.
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