Kia Soul: Spark Plug Cleaning - Ignition System - Engine Electrical System - Kia Soul 2014-2018 PS Service ManualKia Soul: Spark Plug Cleaning

Second generation PS (2014-2018) / Kia Soul 2014-2018 PS 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:

    Stowing the rear seat belt
    The rear seat belt buckles can be stowed in the pocket between the rear seatback and cushion when not in use. Routing the seat belt webbing through the rear seat belt guides will help keep th ...

    Operating door locks from inside the vehicle
    With the door lock button To unlock a door, push the door lock button (1) to the “Unlock” position. The red mark (2) on the button will be visible. To lock a door, push the door lock butt ...

    If engine doesn't turn over or turns over slowly
    1.If your vehicle has an automatic transaxle, be sure the shift lever is in N (Neutral) or P (Park) and the emergency brake is set. 2.Check the battery connections to be sure they are clean and tig ...