Scantool Diagnostics

Engine Control

P2271 O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to Data Link Connector (DLC).
2. Warm up the engine to normal operating temperature.
3. Monitor "HO2S" parameter on scantool.




Fig.1) Normal graph of front HO2S and rear HO2S at idle.
4. Are the parameters displayed correctly?