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Home >> Kia >> 2023 >> Niro EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Ignition System (HEV)) >> Spark Plug >> Cleaning >> 2nd Method

2nd Method

WARNING: This page is about a different car, the 2024 Kia Niro. However, it is still accessible from the selected car via links, so may be relevant.
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 3, 500 rpm.
G15766907Courtesy of KIA MOTORS AMERICA, INC.