Oxygen Sensor: Service and Repair
HO2SReplacement
Primary HO2S:
1. Disconnect the primary HO2S connector, then remove the cover.
2. Remove the primary HO2S.
3. Install the primary HO2S in reverse order of removal.
Secondary HO2S:
1. Disconnect the secondary HO2S connector, then remove the secondary HO2S.
2. Install the secondary HO2S in reverse order of removal.