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DTC P2270 02 Sensor Signal Stuck Lean (Bank 1 / Sensor 2): DTC Detecting Condition
DTC DETECTING CONDITION
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
|
- Poor Connection
- Faulty HO2S
- Clogging of fuel filter in fuel pump
- Faulty PCM
|
| Enable Conditions |
- Battery voltage ≥ 10V
- Engine running ≥ 60sec.
- Power Enrichment conditions
- Engine warm-up state
- Not in Transient Conditions
|
| Threshold value |
- HO2S's signal < 0.35V and Air Fuel Ratio < 13.5
|
| Diagnosis Time |
- Continuous (More than 8 sec. failure for every 9 sec. Test)
|
| MIL On Condition |
|