In EI Systems Using One Ignition Coil for Every Two

In EI systems using one ignition coil for every two cylinders, Technician A says two plugs fire at the same time, with one wasting the spark on the exhaust stroke. Technician B says one plug fires in the normal direction and the other in reversed polarity. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B

Correct Answer:

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