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.
The climate control air filter installed
behind the glove box, filters dust or
other pollutants that come into the
vehicle from the outside through the
heating and air conditioning system. If
dust or other pollutants accumulate in
the filter over a period of time, air flow
from the a ...