Scantool Diagnostics

Engine Control
P0139 O2 Sensor Circuit Slow Response(Bank 1 / Sensor 2) - Scantool Diagnostics

Monitor GDS Data

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




4. Are the parameters displayed correctly ?