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Home >> Kia >> 2012 >> Rio SX, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System >> Spark Plug >> Repair procedures >> Cleaning >> [2nd Method]

[2nd Method]

NOTE:
  • The 2nd method should be performed only if the 1st method fails (the misfire-related codes recur).
  1. Start the engine and keep the engine running at idle for 2 minutes.
  2. Drive the vehicle for over 20 minutes, keeping the engine speed above 3500 rpm.
    NOTE:
    • If equipped with manual transaxle, shift the gear properly for keeping the engine speed above 3500 rpm.
    Fig 1: Spark Plug Cleaning Characteristics Graph (Engine Speed Above 3500 rpm For 20 min)
    G08321206Courtesy of KIA MOTORS AMERICA, INC.
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