Kia Sorento: Spark Plug Cleaning - Ignition System - Engine Electrical System - Kia Sorento XM 2011-2025 Service ManualKia Sorento: Spark Plug Cleaning

Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 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:

SS-A Solenoid Valve(ON/OFF)
SS-A solenoid valve is attached to the valve body and is an on/off solenoid valve that is used to change gears. SS-A Solenoid valve(ON/OFF) is installed at valve body. ...

In-car Sensor Inspection
1. Turn the ignition switch ON. 2. Blow air with changing temperature into the in-car sensor air inlet. Measure the sensor resistance betwe ...

Front Strut Assembly Disassembly
1. Remove the dust cover(A). 2. Using the special tool (09546-26000), compress the coil spring (A). 3. ...

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