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Kia Sedona: Spark Plug Repair procedures - Power Train - Maintenance - Kia Sedona YP Service ManualKia Sedona: Spark Plug Repair procedures

Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Maintenance / Power Train / Spark Plug Repair procedures

Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
3.
Check the spark plug visually.
If the electrode is dry, the spark plug is normal.
If the electrode is wet, check the damage and electrode gap as below.
[Component Inspection]
1.
Check the spark plug for any damage on its thread and insulator.
If there is damage, replace the spark plug.
2.
Check the electrode. Measure the insulation resistance with an ohmmeter.
If the resistance is less than the specified value, adjust the electrode gap.
Specification: 10 MΩ or more

3.
Check the spark plug electrode gap.
If the gap is greater than the maximum, replace the spark plug.
Specification: 1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)
   
•
If adjusting the gap of a new spark plug, bend only the base of the ground electrode. Do not touch the tip.
Never attempt to adjust the gap on a used plug.

Removal
   
•
Be careful that no contaminates enter into spark plug holes.
•
Use the spark plug wrench (A) to prevent the damage on the spark plug.

   
•
When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).

Ignition coil (Cylinder #1) [Bank 1]
1.
Remove the surge tank.
(Refer to Engine Mechanical System - "Surge Tank")
2.
Disconnect the Ignition coil connector (A).
3.
Remove the ignition coil after loosening the mounting bolt (B).

4.
Remove the spark plug.
Ignition coil (Cylinder #2) [Bank 2]
1.
Turn the ignition switch off and disconnect the battery negative (-) Terminal.
2.
Disconnect the Ignition coil connector (A).
3.
Remove the ignition coil after loosening the mounting bolt (B).

4.
Remove the spark plug.
Ignition coil (Cylinder #3) [Bank 1]
1.
Remove the surge tank.
(Refer to Engine Mechanical System - "Surge Tank")
2.
Disconnect the Ignition coil connector (A).
3.
Remove the ignition coil after loosening the mounting bolt (B).

4.
Remove the spark plug.
Ignition coil (Cylinder #4) [Bank 2]
1.
Turn the ignition switch off and disconnect the battery negative (-) Terminal.
2.
Disconnect the Ignition coil connector (A).
3.
Remove the ignition coil after loosening the mounting bolt (B).

4.
Remove the spark plug.
Ignition coil (Cylinder #5) [Bank 1]
1.
Remove the surge tank.
(Refer to Engine Mechanical System - "Surge Tank")
2.
Disconnect the Ignition coil connector (A).
3.
Remove the ignition coil after loosening the mounting bolt (B).

4.
Remove the spark plug.
Ignition coil (Cylinder #6) [Bank 2]
1.
Turn the ignition switch off and disconnect the battery negative (-) Terminal.
2.
Disconnect the Ignition coil connector (A).
3.
Remove the ignition coil after loosening the mounting bolt (B).

4.
Remove the spark plug.
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