Which of these is true regarding port fuel injection systems?
A) Fuel is injected almost directly into the combustion chamber.
B) Fuel distribution to all cylinders is equal.
C) The intake manifold may be shaped and sized to best fit the engine performance requirements.
D) All of these are correct.

Question

Quizplus · Accepted Answer

A) is false as port fuel injection systems inject fuel into the intake port, not directly into the combustion chamber. 
B) is true as the injectors are typically located in the intake ports, allowing for equal and precise fuel distribution to each cylinder. 
C) is true as the design of the intake manifold can be optimized for performance based on the engine's needs. Therefore, D) All of these are correct.

Which of These Is True Regarding Port Fuel Injection Systems