Question

A four-cylinder engine is described as having a port-type EFI fuel system. In most cases, how many injectors would you expect the engine to have? A. 8 B. 0 C. 1 D. 4

Answer 1

There will be 4 injectors in the EFI fuel system.

Answer: Option D

Explanation:

For each cylinder, one injector is needed so a four-cylinder engine will have 4 injectors. Usually, it will be present near the intake manifold. So the port of the Electronic Fuel Injection – EFI needs four injectors in the calculation of one per one cylinder.

Generally, in engines there will be one injector per cylinder. In that calculation when you have a four-cylinder engine should have 4 injectors. If four injectors are not able to keep up your engine to meet the machine performance, you can add additionally.