Special Tools Required
Remove the cowl cover and the under-cowl panel.
Disconnect the A/F sensor connector (A).

Remove the A/F sensor (A).

Install the parts in the reverse order of removal.
Secondary HO2S Replacement
Special Tools Required
O2 Sensor Wrench Snap-on S6176 or equivalent, commercially available
Disconnect the secondary HO2S connector (A).
Raise the vehicle on a lift.
...
Going Home
1 Press the DEST button.
2 Select Go Home 1.
Alternatively, you can say “Go
Home” from any screen. Your home
address is displayed on the Calculate
Route screen.
3 Select Set as Dest.
& ...
A/T Housing Idler Gear Shaft Removal and Installation (A/T)
Remove the snap ring (A), the cotter retainer (B), and the cotters (C)
from the idler gear shaft (D), then remove the idler gear shaft. Do not
distort the snap ring.
Check ...