October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Visual Inspection

Refer to HEATED OXYGEN SENSOR (HO2S) and visually and/or physically inspect following conditions;
- Proper installation of O2 Sensors.
- Check for corrosion on terminals.
- Check for damaged wiring.
- Fuel, Engine coolant or oil contamination.
- Check for good ground for O2 sensor.
Has any problems been found?
YES
- Repair as necessary and then go to "Verification of Vehicle Repair " procedure.
NO
- Go to "Wiring Inspection " procedure.