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Home >> Kia >> 2011 >> Soul Base >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - Engine Electrical System - 1.6L >> Repair procedures >> On-vehicle Inspection >> Inspect Spark Plug

Inspect Spark Plug

  1. Remove the ignition coil (A).
    Fig 1: Identifying Ignition Coil
    G06526039Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).
    Fig 2: Identifying Ignition Coil Connector Lock Pin & Clip
    G06526040Courtesy of KIA MOTORS AMERICA, INC.
  2. Using a spark plug socket, remove the spark plug.
    CAUTION: Be careful that no contaminates enter through the spark plug holes.
  3. Inspect the electrodes (A) and ceramic insulator (B).
    Fig 3: Identifying Electrodes & Ceramic Insulator
    G06526041Courtesy of KIA MOTORS AMERICA, INC.

    Inspection Of Electrodes 

    ELECTRODES INSPECTION 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
  4. Check the electrode gap (A).

    Standard 

    1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)

    Fig 4: Checking Electrode Gap
    G06526042Courtesy of KIA MOTORS AMERICA, INC.
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