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[2nd Method]

WARNING: This page is about a different variant/trim than selected.
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.
    G13155572Courtesy of KIA MOTORS AMERICA, INC.