Technician A says that an engine will likely miss under load if the ignition coil is tracked. Technician B says that one wire of a waste spark coil must be grounded. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B

Question

Quizplus · Accepted Answer

Technician A is correct. An ignition coil that is tracked (meaning the spark is arcing to something other than the spark plug) can cause a misfire, especially under load.

Technician B is incorrect. Each wire of a waste spark coil must connect to a spark plug, not be grounded.

Technician a Says That an Engine Will Likely Miss Under