Inspect Spark Plug

1. Disconnect the ignition connectors (A).
   Fig 1: Identifying Ignition Coil Connectors

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2. Remove the ignition coils (A).
   Fig 2: Identifying Ignition Coils

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3. Using a spark plug socket, remove the spark plug.
   CAUTION: Be careful that no contaminates enter through the spark plug holes.
4. Inspect the electrodes (A) and ceramic insulator (B).
   Fig 3: Identifying Electrodes And Ceramic Insulator

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   Inspection Of Electrodes 

   INSPECTION REFERENCE CHART
   
   

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

5. Check the electrode gap (A).

Standard 

Unleaded : 1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)

Fig 4: Checking Electrode Gap

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