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Home >> Hyundai >> 2023 >> Tucson Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (PHEV) >> Spark Plug >> Repair Procedures >> Cleaning (2) >> 1st Method

1st Method

  1. Start the engine and keep the engine running at idle for 2 minutes.
  2. Step on the accelerator pedal and hold it steady at 4500 RPM with the shift lever in N position to warm up the engine until the temperature of the engine coolant reaches 80°C.
  3. Keep the engine running at 2500-3000 RPM in the N position for 15 minutes.
    G16172247Courtesy of HYUNDAI MOTOR AMERICA
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