To complete the procedure, a second technician is required to be at
the following position.
Depending on the equipment version, the following additional work must be
performed.
Special tools a
Ignition
A spark ignition (SI) engine requires a spark to initiate
combustion in the combustion chamber. Voltage is supplied to the
spark plug where the electricity will arc across a gap at a
voltage as high as 100 kilovolts. The ECM determines the precise
moment to fire each spark plug using ig