Both technicians, i.e., technician A and technician B are correct as per the given situation. The correct option is C.
The use of electronic fuel injection eliminates the need for a carburetor, which mixes air and fuel. EFI does exactly what it says. It uses electronic controls to inject fuel directly into an engine's manifold or cylinder.
The fuel pump in your car supplies it with pressurized fuel, and it can open and close many times per second.
When the injector is turned on, an electromagnet moves a plunger, allowing pressurized fuel to squirt out through a tiny nozzle.
The electronic injectors cycle twice for each camshaft revolution in simultaneous injection. The actual injector operating time is heavily influenced by battery voltage.
Thus, the correct option is C.
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