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.
...
Emissions Controls
The burning of gasoline in your vehicle’s engine produces several byproducts.
Some of these are carbon monoxide (CO), oxides of nitrogen (NOx), and hydrocarbons
(HC).
Gasoline evaporating from t ...
Disassembly
Raise and support the vehicle.
Remove the rear wheels.
Release the parking brake, and
remove the brake drum.
Remove the tension pins (A) by pushing respe ...