Why does the fuel pressure on a typical return type port fuel injection system increase when you snap the throttle?
A.The manifold pressure goes up, and to maintain a constant pressure drop across the injector, the fuel must increase as well.
b.As the manifold pressure goes down, the fuel pressure must increase the pressure drop across the injector,
c.None of these.
d.As the manifold pressure goes up, the fuel pressure must increase, to decrease the pressure drop across the injector.
Answer: A.The manifold pressure goes up, and to maintain a constant pressure drop across the injector, the fuel must increase as well.
You might also like to view...
Substance abuse may affect reaction time.
Answer the following statement true (T) or false (F)
How does mastitis cause economic problems for dairy farmers?
What will be an ideal response?
What does Pravda, the title of one of two official Soviet newspapers, translate as?
a. “Truth” b. “News” c. “Delivered Messages” d. “Information”
Saline-sodic soils are characterized by all but which one of the following?
A) CaCO3 layer near the soil surface B) exchangeable sodium percentage greater than 15 C) sodium adsorption ratio greater than 13 D) EC 4 dS/m or higher E) soil pH less than 8.5