RM36D0EC _51 Engine / Hybrid System _087036 M20C-FKS ENGINE CONTROL _0418148 AIR FUEL RATIO SENSOR A

M20C-FKS ENGINE CONTROL AIR FUEL RATIO SENSOR REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during air fuel ratio sensor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
· Replacement of air fuel ratio sensor (sensor 1) · Gas leak from exhaust system is repaired	Inspection after repair	· Poor idle, etc. · Engine start function, etc.	(202304,202405,_51,_087036,_0418131,RM1000000029CMT,202405,999999,_51,_087036,_0418131,RM100000002IF8T,)

PROCEDURE

Hide Display 12601B 1.REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click hereEngine / Hybrid System>M20C-FKS (ENGINE MECHANICAL)>ENGINE ASSEMBLY>REMOVAL202304,202405,_51,_087037,_0417212,RM1000000029X9A_01_0288,202405,999999,_51,_087037,_0417212,RM100000002JNRH_01_0288,

Hide Display 89467B 2.REMOVE AIR FUEL RATIO SENSOR

CAUTION:: ·

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

·

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

for Sensor 1:

Detach the 4 wire harness clamps.

ii.

Disconnect the air fuel ratio sensor connector.

iii.

1.344,1.542 1.583,1.542 1.583,1.542 1.792,1.083 true 1.042,1.458 1.344,1.646 0.302,0.188 10 true SST

Using SST, remove the air fuel ratio sensor from the exhaust manifold.

SST: 09224-00012

NOTICE:: If the air fuel ratio sensor has been struck or dropped, replace it.

for Sensor 2:

Detach the 2 wire harness clamps.

ii.

Disconnect the air fuel ratio sensor connector.

iii.

2.656,0.583 2.813,0.26 2.813,0.26 2.948,0.26 true 2.99,0.188 3.313,0.375 0.323,0.188 10 true SST

Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly.

SST: 09224-00012

NOTICE:: If the air fuel ratio sensor has been struck or dropped, replace it.