Spark plug cleaning

How to clean a spark plug

First of all, the spark plug cover is taken off.

Then the spark plug is loosened with a special wrench.

Next the spark plug is removed from the socket.

Later the spark plug is cleaned using a wire brush.

Then the spark plug is replaced in the socket.

Next the spark plug is tightened using the special wrench.

Finally the cover is put back on the spark plug.