Kia Sorento: Spark Plug Cleaning - Ignition System - Engine Electrical System - Kia Sorento XM 2011-2023 Service ManualKia Sorento: Spark Plug Cleaning

Second Generation XM (2011-2023) / Kia Sorento XM 2011-2023 Service Manual / Engine Electrical System / Ignition System / Spark Plug Cleaning

The combustion temporarily becomes unstable, due to the aged fuel and the carbon deposits accumulated on the spark plug(s) after long-term storage.
[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.

[2nd Method]
  
•
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.
  
•
If equipped with manual transaxle, shift the gear properly for keeping the engine speed above 3500 rpm.

Spark Plug Inspection
[On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. ...

Spark Plug Removal
1. Remove the ignition coil. (Refer to Ignition System - "Ignition Coil") 2. Using a spark plug wrench, remove the spark plu ...

See also:

Oil Pump Component
1. Reaction shaft support assembly 2. Oil pump housing 3. Driven gear 4. Drive gear 5. Oil seal 6. Bush-Housing 7. Reaction shaft 8. Bush- Reaction shaft 9. Sl ...

Power Tailgate Unit Installation
1. Install the power tailgate unit. 2. Install the rear left luggage side trim. 3. Connect the negative (-) bat ...

Accelerator Pedal Removal
1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor connector (A). ...

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