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Home >> Kia >> 2024 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (PHEV) >> Spark Plug >> Cleaning >> 2nd Method
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2nd Method

NOTE: If [Method 1] does not work properly, perform the cleaning with [Method 2].
  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.
G15787466Courtesy of KIA MOTORS AMERICA, INC.