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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Secondary HO2S Replacement
Secondary HO2S ReplacementSpecial Tools Required -
O2 Sensor Wrench Snap-on YA8875 or O2 Sensor Wrench, E19 SP Tools 93750 or equivalent, commercially available
1.
Raise the vehicle on a lift.
2.
Remove the WU-TWC bracket (A).
Without SH-AWDWith SH-AWD 3.
Disconnect the secondary HO2S 4P connector (A), then remove the secondary HO2S (B).
4.
Install the parts in the reverse order of removal.
