Removal

2GR-FE EMISSION CONTROL: AIR FUEL RATIO SENSOR (for 4WD): REMOVAL

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

2. REMOVE AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)






(a) Disconnect the sensor connector.
(b) Using SST, remove the sensor from the exhaust manifold.
SST: 09224-00010
3. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Disconnect the heated oxygen sensor (for Bank 1 Sensor 2) connector under the center console.






(b) Remove the clip as shown in the illustration.






(c) Remove the 2 bolts and 2 compression springs.
(d) Remove the 2 bolts, 2 nuts and center exhaust pipe assembly.





4. REMOVE EXHAUST MANIFOLD RH






(a) Remove the nut, bolt and exhaust manifold stay.






(b) Remove the 6 nuts and exhaust manifold RH.
(c) Remove the gasket and exhaust manifold to head gasket.
5. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)






(a) Using SST, remove the sensor.
SST: 09224-00010