Technician A says that a defective spark plug wire can cause an engine miss. Technician B says that a defective spark plug can cause an engine miss. 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

Both technicians A and B are correct. A defective spark plug wire can cause an engine miss by preventing the spark from reaching the spark plug, while a defective spark plug can cause an engine miss by not igniting the air-fuel mixture properly.

Technician a Says That a Defective Spark Plug Wire Can