Component Inspection

P2271 O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2)

Inspection/Repair - Component Inspection

Component Inspection

1. Visually/physically inspect the following conditions:
- Ensure that the sensor is securely installed
- Check for corrosion on terminals
- Check for damaged wiring
- Repair as necessary and go to next step
2. Warm up the engine to normal operating temperature and let it idle.
3. Connect Scantool and monitor the O2 SNSR VOL.-B1/S2 parameter on the Scantool data list.

Specification :Above 0.7 V at idle

4. Is sensor data near the specified value?