Mazda CX-9 Grand Touring. Manual — part 453

Spark plug gap

1.29-1.45 mm {0.051-0.057 in}

CLEANING

1. If there is carbon adhering to the spark plug, perform no-load racing at 4,000 rpm for 2 min, 2 times .

VISUAL INSPECTION

1. Inspect the following items:



If any of the following malfunctions are indicated, replace the spark plug.



Insulator breakage



Worn electrode



Damaged gasket



Badly burned insulator (sparking side)

CAUTION:



Carbon may adhere to the tip of the spark plug during vehicle
delivery or repeated short distance driving during the winter time. If
there is any malfunction such as rough idling or start difficulty due to
carbon adhesion causing plug fouling, burn off the carbon by
performing no-load racing of the engine.



When performing the no-load racing, apply the side brake and foot
brake, move the selector lever to P position to prevent an accident
and serious injury.



To avoid possible damage to the spark plug tip, do not use a wire
brush for cleaning.

NOTE:



To avoid possible damage to the tip, use gasoline to clean the spark plugs
after removing dirt.



If the accelerator pedal is depressed continuously for a specified time, the
engine speed may decrease to the idle speed. This is does not indicate a
malfunction.



Do not perform no-load racing at high engine speed continuously for 10 s
or more .

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:00:40 AM

Page 4

© 2005 Mitchell Repair Information Company, LLC.

Fig. 4: Identifying Spark Plug Damage And Breakage
Courtesy of MAZDA MOTORS CORP.

RESISTANCE INSPECTION

1. Measure the resistance of the spark plug using a tester as shown in the figure.



If not within the specification, replace the spark plug.

Spark plug resistance

2-20 kilohms

Fig. 5: Measuring Resistance Of Spark Plug With Tester
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:00:40 AM

Page 5

© 2005 Mitchell Repair Information Company, LLC.

2008 BODY & ACCESSORIES

Instrumentation/Driver Info - Mazda CX-9

INSTRUMENTATION/DRIVER INFO. LOCATION INDEX

Fig. 1: Identifying Instrumentation/Driver Info. Components Location
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES Instrumentation/Driver Info - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES Instrumentation/Driver Info - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:42:26 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

Microsoft

Sunday, November 15, 2009 10:42:31 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

INSTRUMENT CLUSTER REMOVAL/INSTALLATION

1. Perform the instrument cluster configuration when replacing it. (See INSTRUMENT CLUSTER

CONFIGURATION.)

2. Disconnect the negative battery cable.

3. Remove the following parts:

1. Decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)

2. Front console box mat (See FRONT CONSOLE BOX MAT REMOVAL/INSTALLATION .)

3. Indicator panel (See INDICATOR PANEL REMOVAL/INSTALLATION .)

4. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)

5. Center panel (See CENTER PANEL REMOVAL/INSTALLATION .)

6. Upper column cover (See COLUMN COVER REMOVAL/INSTALLATION .)

7. Meter hood (See METER HOOD REMOVAL/INSTALLATION .)

4. Remove in the order indicated in the table.

Fig. 2: Identifying Instrument Cluster Components
Courtesy of MAZDA MOTORS CORP.

5. Install in the reverse order of removal.

6. When replacing the instrument cluster of vehicles with the immobilizer system, perform the following

procedure:



See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND
CLEARING [KEYLESS ENTRY SYSTEM] .

CAUTION:



When replacing the instrument cluster, the configuration procedure
must be performed before removing the instrument cluster.
Replacing the instrument cluster without performing the
configuration procedure will result in system malfunction.

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES Instrumentation/Driver Info - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:42:26 AM

Page 2

© 2005 Mitchell Repair Information Company, LLC.