Spark plugs: Is a mean to ignite Mixture consists of fuel and air
Frist of all there a problem if you don't changes the spark plugs which is :
1 – The engine of the car going to be weak.
2 - The engine take a lot of fuel because the engine doesn't work correctly
So, be sure you work on change the spark plugs, to do it you need several thing as shown bellow :
1 - Alanki Size 5mm .
2 - SPANNER size 10 like that one on the photo.
3 - Socket gasket .
4 – Spark plugs
Use a lanke to open the screws counterclockwise to take off the caver.
After open the caver we can see the spark plugs and disconnect the coil.
Using the spark plug wrench, continue tightening. Make sure the plug is in firmly, but do NOT over-tighten it.