Maintenance Section
-242-
Replace Oxygen Sensor
(G420F(E)/G424F(E)/G424I(E)
/G430FE Engine Only)
G420F(E) Engine
G424F(E) Engine
G424I(E) Engine
G430FE Engine
When indicated by MIL, replace oxygen seasor on
the exhaust manifold and oxygen sensor on muffler
assembly.
1. Stop engine and wait until the exhaust pipe and
exhaust pipe is cooled.
2. Disconnect the electrical connector of oxygen
sensor
3. Remove oxygen sensor
4. Assemble new oxygen sensor
Tightening torque : 45 N•m (32.5 lb•ft)
5. Connect the electrical connector of oxygen
sensor
WARNING
When assembling the filters, check the arrow
mark on the filter surface.
The arrow mark position is same as fuel flow
direction.