Kia Sportage: Ignition System / Spark Plug Description and operation
A spark plug is a device for delivering electric current from an ignition system
to the combustion chamber of a spark-ignition engine to ignite the compressed
fuel/air mixture therein by means of an electric spark, while containing combustion
pressure within the engine. A spark plug has a metal threaded shell, electrically
isolated from a central electrode by a porcelain insulator.

Specification
Spark Plug
Item
Specification
Type
SILZKR7E11
Gap
1.0 - 1.1 mm
(0.0394 - 0.04 ...
Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
...
Other information:
Inspection
•
When removing with a flat-tip screwdriver or remover, wrap protective
tape around the tools to prevent damage to components.
•
...
Removal
1.
If the compressor is marginally operable, run the engine at idle speed,
and let the air conditioning work for a few minutes, then shut the engine
off.
2.
Disconnect the negative (-) battery terminal.
...