What is the ignition or preheating system?
or preheating system
of a combustion engine including the one in your car is very complex. It consists of several ignition parts
each having a very specific role to play.
Petrol engines have an ignition system with spark plugs
whereas diesel engines have a preheating system with glow plugs
. Whatever the type of your engine, plugs are essential for the starting of the engine.
Obviously there are other car parts
that are equally important in the ignition or preheating process, including the ignition coils
, or the HT leads