A No-Start Condition on an EI System Is Being Discussed

Multiple Choice

A no-start condition on an EI system is being discussed. Technician A says to use a test spark plug to determine whether the problem is in the ignition system. Technician B says that if a noid light is connected to the injector harness and it pulses while the engine is cranked, the triggering unit for the primary ignition circuit should be okay. Who is correct?

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