Spark Plug: Inspection

Remove the ignition coil connector (A).

Fig 1: Identifying Ignition Coil Connector
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Remove the ignition coil (A).

Fig 2: Identifying Ignition Coil
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NOTE: When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).

Fig 3: Pulling Lock Pin And Clip
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Using a spark plug socket, remove the spark plug.
CAUTION: Be careful that no contaminates enter through the spark plug holes.

Inspect the electrodes (A) and ceramic insulator (B).

Fig 4: Identifying Electrodes And Ceramic Insulator

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INSPECTION OF ELECTRODES

Condition	Dark deposits	White deposits
Description	Fuel mixture too rich Low air intake	Fuel mixture too lean Advanced ignition timing Insufficient plug tightening torque

Check the electrode gap (A).
Standard : 1.0-1.1 mm (0.0394-0.0433 in.)

Fig 5: Checking Electrode Gap
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