Under the ( 8 ) individual coils
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front
two spark plugs are located to the right side of the engine and the other two spark plugs are located on the left side of the engine.
The 2000 Toyota Avalon spark plugs can be located on each side of the engine. The spark plugs will be near the bottom of the engine. There are three spark plugs on each side.
What kind of Kia?
Check the Vehicle Emission Control Information ( VECI ) decal located in the front of the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )
In the cylinder head .
Under the valve cover
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of the engine compartment ( it will show the type of spark plugs to use and the spark plug gap )
This is a problem with this engine. Read the link below.
Screwed into the heads.
right around the exhaust manifold
Follow the plug wires from the distributor.
The spark plugs are under the plastic strip that runs up the middle of the valve cover.