Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Secondary HO2S Replacement

Secondary HO2S Replacement

Special Tools Required
O2 sensor wrench, Snap-on S6176, or equivalent, commercially, available.

Front Bank (Bank 2)

1. Remove the splash shield.




2. Disconnect the front secondary HO2S 4P connector (A), then remove the front secondary HO2S (B).
3. Install the parts in the reverse order of removal.

Rear Bank(Bank 1)




1. Disconnect the rear secondary HO2S 4P connector (A), then remove the rear secondary HO2S (B).
2. Install the parts in the reverse order of removal.