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.
Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
3.
Check the spark plug visually.
If the electrode is dry, the ...
Brake Switch Repair procedures
Removal
1.
Disconnect the brake switch connector (A).
2.
Pull the locking plate (A) as indicated by the arrow.
3.
Turn brake switch 45° counterclockwise and remove it.
Inspection
1.
...