Diesel Data: Automotive Repair

Component Inspection





P2A00 HO2S Not Ready (Bank 1 / Sensor 1)

Inspection/Repair - Component Inspection

Component Inspection

Check the Signal waveform of HO2S
1. IG "OFF" and connect HO2S connector.
2. Engine start.
3. After warming-up, monitor signal waveform of HO2S with scantool.









4. Is the sensor switching properly?