Primary HO2S & A/F Sensor Replacement
Special Tools Required
- O2 sensor wrench SNAP-ON YA8875 or SP Tools 93750 or equivalent, commercially available
Scheme 173
- Disconnect the primary HO2S or A/F Sensor 4P connector, then remove the primary HO2S or A/F Sensor (A).
- Install the primary HO2S or A/F Sensor in the reverse order of removal.
Secondary HO2S Replacement
Special Tools Required
- O2 sensor wrench SNAP-ON YA8875 or SP Tools 93750 or equivalent, commercially available
Scheme 174
- Disconnect the secondary HO2S 4P connector, then remove the secondary HO2S (A).
- Install the secondary HO2S in the reverse order of removal.