Toyota Prius: M20a-fxs Spark Plug

• Removal
• Installation

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 spark plug 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 ignition coil assembly Replacement of spark plug	Inspection after repair	Poor idle, etc. Engine start function, etc.

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	CENTER NO. 2 COWL TOP VENTILATOR LOUVER	55784B	-	-	-
2	IGNITION COIL ASSEMBLY	19500		-	-
3	SPARK PLUG	19100P		-	-

PROCEDURE

1. SEPARATE CENTER NO. 2 COWL TOP VENTILATOR LOUVER

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2. REMOVE IGNITION COIL ASSEMBLY

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3. REMOVE SPARK PLUG

NOTICE: If a spark plug has been struck or dropped, replace it.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	SPARK PLUG	19100P		-	-
2	IGNITION COIL ASSEMBLY	19500		-	-
3	CENTER NO. 2 COWL TOP VENTILATOR LOUVER	55784B	-	-	-
4	PERFORM INITIALIZATION	-	-	-

N*m (kgf*cm, ft.*lbf): Specified torque

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PROCEDURE

1. INSTALL SPARK PLUG

NOTICE: If a spark plug has been struck or dropped, replace it.

Torque:

20 N·m {204 kgf·cm, 15 ft·lbf}

2. INSTALL IGNITION COIL ASSEMBLY

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3. INSTALL CENTER NO. 2 COWL TOP VENTILATOR LOUVER

4. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug.

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