Secondary HO2S Replacement
Secondary HO2S ReplacementSpecial Tools Required
O2 sensor wrench. Snap-on YA8875, SP Tools 93750, or equivalent, commercially available
NOTE: When the secondary HO2S is replaced the third HO2S must be replaced at the same time (2002-2005 M/T models only).
1. Disconnect the secondary HO2S 4P connector (A), and remove the secondary HO2S (B).
2. Install the secondary HO2S in the reverse order of removal.