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.
Recirculation Control Cable Adjustment
Open the glove box. Release the glove box stop on each side, then
let the glove box hang down.
Set the recirculation control lever to FRESH ().
Detach the recirculation ...
A/T Housing Reverse Idler Gear Installation (A/T)
Lightly coat the reverse idler gear shaft (A), the needle bearing (B),
and new O-rings (C) with lithium grease.
Assemble the new O-rings and the needle bearing on the reverse ...