Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fks (engine Control) / Air Fuel Ratio Sensor (for Sensor 1) / Removal

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.

PROCEDURE

1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here

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.

(a) Disengage the 3 wire harness clamps.

(b) Disconnect the air fuel ratio sensor connector.

SST: 09224-00012

NOTICE:

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

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On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HOOD SUB-ASSEMBLY (a) Check that the clearance measurements of areas a through d are within each standard range. Standard Clearance Area Measurement Area Measurement a 2.85 to 5.85 mm (0.112 to 0.230 in.) b 1.85 to 5.85 mm (0.0728 to 0.2

Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE OIL FILLER CAP SUB-ASSEMBLY (a) Remove the oil filler cap sub-assembly from the cylinder head cover sub-assembly LH. (b) Remove the oil filler cap gasket from the oil filler cap sub-assembly. 2. REMOVE SPARK PLUG Click here 3. REMOVE PC

Lexus ES: Removal

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Inspection

Installation

Air Fuel Ratio Sensor (for Sensor 2)

SEE MORE:

On-vehicle Inspection

Disassembly