PROCEDURE
REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
REMOVE AIR FUEL RATIO SENSOR
Disengage the hose clamp and separate the air fuel ratio sensor wire from the No. 1 radiator hose.
Disconnect the air fuel ratio sensor connector.
Using SST, remove the air fuel ratio sensor from the exhaust manifold.
Note
If the air fuel ratio sensor has been struck or dropped, replace it.